20 Medical Studies That Show Cannabis Can Be A Potential Cure Cancer

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Cannabis has been making a lot of noise lately. Multiple states across the United States and countries around the world have successfully legalized medical Marijuana, and the Uruguay parliament recently voted to create the world’s first legal marijuana market.

This is good news as the health benefits of Cannabis are vast. With multiple medical and scientific studies to confirm them. But what about the harmful effects? All psychological evaluations from the intake of cannabis are largely based on assumptions, suggestions and observations (1). When we look at the actual science behind Cannabis, it seems negative effects are difficult to confirm.

The Science Behind Cannabis

Let’s take a look at the science behind Cannabis and Cancer. Although Cannabis has been proven to be effective for a large range of ailments, this article will focus mainly on it’s effectiveness in the treatment of cancer. Cannabinoids may very well be one of the best disease and cancer fighting treatments out there. Cannabinoids refer to any of a group of related compounds that include cannabinol and the active constituents of cannabis. They activate cannabinoid receptors in the body. The body itself produces compounds called endocannabinoids and they play a role in many processes within the body that help to create a healthy environment. Cannabinoids also play a role in immune system generation and re-generation. The body regenerates best when it’s saturated with Phyto-Cannabinoids. Cannabinoids can also be found in Cannabis. It is important to note that the cannabinoids are plentiful in both hemp and cannabis. One of the main differentiations between hemp and cannabis is simply that hemp only contains 0.3% THC while cannabis is 0.4% THC or higher. (Technically they are both strains of Cannabis Sativa.)  Cannabinoids have been proven to reduce cancer cells as they have a great impact on the rebuilding of the immune system. While not every strain of cannabis has the same effect, more and more patients are seeing success in cancer reduction in a short period of time by using cannabis.

While taking a look at these studies, keep in mind that cannabis can be much more effective for medicinal purposes when we eat it rather than smoking it. Below are 20 medical studies that suggest cannabis can be an effective treatment and possible cure for cancer. This is a good starting point for the push for further human clinical trials.

Brain Cancer

1.  A study published in the British Journal of Cancerconducted by the Department of Biochemistry and Molecular Biology at Complutense University in Madrid, this study determined that Tetrahydrocannabinol (THC) and other cannabinoids inhibit tumour growth. They were responsible for the first clinical study aimed at assessing cannabinoid antitumoral action. Cannabinoid delivery was safe and was achieved with zero psychoactive effects. THC was found to decrease tumour cells in two out of the nine patients.

2. A study published in The Journal of Neuroscience examined the biochemical events in both acute neuronal damage and in slowly progressive, neurodegenerative diseases. They conducted a magnetic resonance imaging study that looked at THC (the main active compound in marijuana) and found that it reduced neuronal injury in rats. The results of this study provide evidence that the cannabinoid system can serve to protect the brain against neurodegeneration.

3. A study published in The Journal of Pharmacology And Experimental Therapeutics already acknowledged the fact that cannabinoids have been shown to possess antitumor properties. This study examined the effect of cannabidiol (CBD, non psychoactive cannabinoid compound) on human glioma cell lines. The addition of cannabidiol led to a dramatic drop in the viability of glioma cells. Glioma is the word used to describe brain tumour.  The study concluded that cannabidiol was able to produce a significant antitumor activity.

4. A study published in the journal Molecular Cancer Therapeutics outlines how brain tumours are highly resistant to current anticancer treatments, which makes it crucial to find new therapeutic strategies aimed at improving the poor prognosis of patients suffering from this disease. This study also demonstrated the reversal of tumour activity in Glioblastoma multiforme.

Breast Cancer

5. A study published in the US National Library of Medicine, conducted by the California Pacific Medical Centre determined that cannabidiol (CBD) inhibits human breast cancer cell proliferation and invasion. They also demonstrated that CBD significantly reduces tumour mass.

6. A study published in The Journal of Pharmacology and Experimental Therapeutics determined that THC as well as cannabidiol dramatically reduced breast cancer cell growth. They confirmed the potency and effectiveness of these compounds.

7. A study published in the Journal Molecular Cancer showed that THC reduced tumour growth and tumour numbers. They determined that cannabinoids inhibit cancer cell proliferation, induce cancer cell apoptosis and impair tumour angiogenesis (all good things). This study provides strong evidence for the use of cannabinoid based therapies for the management of breast cancer.

8. A study published in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) determined that cannabinoids inhibit human breast cancer cell proliferation.

Lung Cancer

9. A study published in the journal Oncogeneby Harvard Medical Schools Experimental Medicine Department determined that THC inhibits epithelial growth factor induced lung cancer cell migration and more. They go on to state that THC should be explored as novel therapeutic molecules in controlling the growth and metastasis of certain lung cancers.

10. A study published by the US National Library of Medicine by the Institute of Toxicology and Pharmacology, from the Department of General Surgery in Germany determined that cannabinoids inhibit cancer cell invasion. Effects were confirmed in primary tumour cells from a lung cancer patient.  Overall, data indicated that cannabinoids decrease cancer cell invasiveness.

11. A study published by the US National Library of Medicine, conducted by Harvard Medical School investigated the role of cannabinoid receptors in lung cancer cells. They determined its effectiveness and suggested that it should be used for treatment against lung cancer cells.

Prostate Cancer

12. A study published in the US National Library of Medicine illustrates a decrease in prostatic cancer cells by acting through cannabinoid receptors.

13. A study published in the US National Library of Medicine outlined multiple studies proving the effectiveness of cannabis on prostate cancer.

 14. Another study published by the US National Library of Medicine determined that clinical testing of CBD against prostate carcinoma is a must. That cannabinoid receptor activation induces prostate carcinoma cell apoptosis. They determined that cannabidiol significantly inhibited cell viability. 

Blood Cancer

15. A study published in the journal Molecular Pharmacology recently showed that cannabinoids induce growth inhibition and apoptosis in matle cell lymphoma. The study was supported by grants from the Swedish Cancer Society, The Swedish Research Council and the Cancer Society in Stockholm.

16. A study published in the International Journal of Cancer also determined and illustrated that cannabinoids exert antiproliferative and proapoptotic effects in various types of cancer and in mantle cell lymphoma.

17. A study published in the US National Library of Medicine conducted by the Department of Pharmacology and Toxicology by Virginia Commonwealth University determined that cannabinoids induce apoptosis in leukemia cells.

Oral Cancer

18. A study published by the US National Library of Medicine results show cannabinoids are potent inhibitors of cellular respiration and are toxic to highly malignant oral Tumours.

Liver Cancer

19. A study published by the US National Library of Medicine determined that that THC reduces the viability of human HCC cell lines (Human hepatocellular liver carcinoma cell line) and reduced the growth.

Pancreatic Cancer

20. A study published in The American Journal of Cancer determined that cannabinoid receptors are expressed in human pancreatic tumor cell lines and tumour biopsies at much higher levels than in normal pancreatic tissue. Results showed that cannabinoid administration induced apoptosis. They also reduced the growth of tumour cells, and inhibited the spreading of pancreatic tumour cells.

Final Thoughts

Cannabis is a great example of how the human mind can contain conditioning to believe something. Growing up, we are told “drugs” are bad, which is very true, however not all substances that have been labelled as “drugs” by the varying authoritative bodies are harmful. It’s possible substances are labelled as a “drug” in order to protect corporate interests. One example is the automobile and energy industry, a car made from hemp is stronger than steel, and can be fuelled from hemp alone. Henry Ford demonstrated this many years ago. Hemp actually has over 50,000 uses!


All sources highlighted throughout article. Click on the highlighted parts of the article to view them.


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More From 'Awareness'

CE provides a space for free thinkers to explore and discuss new, alternative information and ideas. The goal? Question everything, think differently, spread love and live a joy filled life.

  1. Cateherine Myers

    Since you are now accepting posts by people hawking cannabis oil as a cure for cancer, if you are really interested in collective evolution perhaps you will also continue to allow posts that present facts and questions. Here’s a good one: Why would toxic industries pay any attention at all to people who shout and march and blog to protest the poisoning of the planet and yet also vehemently advocate the use of some of the most toxic chemicals known to man to make concentrated cannabis oil? The 1% who are enriching themselves while poisoning the rest of us are surely rolling on the floor laughing when they see the kind of faith people will put in un-tested, un-proven, highly toxic preparations being hawked on blogs like this.

    As I have said before, I am a survivor of stage III breast cancer so I began investigating cannabis oil because if my cancer comes back I want to know all my options. Although I did not feel the need for it when I was going through treatment before, I would not be opposed to using cannabis if I felt I needed it in the future for pain, nausea, appetite, or anxiety because there HAVE been scientific studies that show cannabinoid medications can help with those problems. However, cannabis OIL is nearly completely un-studied on human patients because it has been illegal. That still wouldn’t keep me from trying it because there is a minute amount of anecdotal and highly subjective data and at least one small rat study that indicates it might inhibit cancer in actual patients. I would never delude myself, however, that it would be a cure.

    What would stop me from using cannabis oil is if I couldn’t get anything better than the highly toxic preparations that are being touted as cures on the Internet just now. It isn’t oil, by the way, it’s the sludge left over when you boil off gallons of highly toxic solvents from pounds of marijuana to get unknown concentrations of THC and CBD into a black grease. Nobody knows how much of this grease you have to ingest to have any effect on anything except your brain which will be quite dysfunctional after ingesting just a tiny glob of the gunk.

    Blasters use Butane, Ether, Grain Alcohol, Isopropyl Alcohol, and various Napthas that can contain Benzene! I implore anyone recommending it or considering using it to read up on the myriad websites that explain how people are brewing cannabis oil at the present time and ask yourself if you really want to continue trying to convince people it is a cure for anything. Because the cruelest thing someone can do to cancer patients is scare them away from treatment that IS backed up by scientific studies and steer them toward some snake oil that isn’t and is brewed with neurotoxic and carcinogenic chemicals to boot!

    They don’t call the people who brew cannabis oil “Blasters” for nothing. Do you want to be responsible for encouraging others to expose themselves and their neighbors to known carcinogens because people incapable of formal operations and scientific analysis are convinced cannabis oil is a “proven” cure? These chemicals will blast the brains of those who breathe or absorb them and they will blast people and homes to kingdom come with the slightest spark because they are highly volatile. Sometimes all it takes for them to go off like a bomb is the static that builds up when they are poured from one container to another. Do you want that in your neighborhood?

    As others have pointed out, there are a million things that will kill cancer cells in a petri dish including alcohol, nicotine, and arsenic. That doesn’t mean that when a patient ingests or smokes those things in high concentrations it will cure cancer in their bodies. At this time we have no scientific evidence that ingestion of concentrated cannabis will reduce tumors in patients because the studies that would give us that evidence simply have not been done – we just have no way of knowing.

    What we do know is that all of the chemical solvents used in making cannabis oil are highly toxic to the body, especially the brain and nervous system. On top of that most of them are, or have components that are, highly carcinogenic! It simply makes no sense for someone who is afraid of the toxicity of chemo drugs to ingest these truly horrific solvents in unknown amounts and concentrations. Do you want to be responsible for advocating that?

    As someone who has had cancer, I can tell you it is exhausting and debilitating to have to fend off all the colon cleansers, the wheat grass juicers, the chakra balancers, the bright-siders, the pink-washers, the faith healers, the supplement pushers, the Jesus freaks, the body workers – and now the pot pushers – while you struggle through something that you really don’t want to go through, something you aren’t guaranteed will work, and something that you know will be a lot harder on you than getting stoned or having somebody wave their hands over you or say prayers. It would be so much easier to believe all the claims about cannabis, no matter how preposterous or unfounded. It would be so much easier to latch onto a lie than to have to face the hard truth. It would be so much easier just to be deluded than to have to do research and make life or death decisions when you’re scared to death and sick.

    The most horrific “help” I encountered was from people who seemed to think that the best thing for a cancer patient was to just be deluded, be stoned, be in the throes of religious ecstasy, be on the magical mystery cure, and just-for-gods-sakes-DIE-already! quickly and quietly and save THEM any muss or fuss.

    So please be sure you’re not pushing cannabis as a cure because YOU would feel better if cancer victims would just stay high until they die and stop reminding everyone that 1 in 2 males will get cancer and 1 in 3 females will. Be sure that if you’re going to advocate a course of action, that you at least know what you’re advocating and why. Because advocating cannabis oil as a cure for cancer probably doesn’t have nearly as much to do with wanting to help cancer patients, as it does with helping you to cope with your fear of the disease and your desperate need to make something so scary be less of a threat to your peace of mind. Well, and then there’s also the money to be made. I wonder how much this blog is making?

    • Catherine Myers

      P.S. Thank you for FINALLY revising your headline. POTENTIAL cure – maybe. PROVEN cure – not even close.

  2. Sudi

    Hi Arthur,
    Thanks for the info.I want to know more about this oil.My Mom is suffering from Metastasis breast cancer and we are at present doing hormone therapy for her because she is estrogen positive.Additionally we are also trying to search on some therapies, so let me know will this really help me cure my Moms cancer and how do you take the oil and in what quantity?

    • Catherine Myers

      A researcher once said that estrogen is to breast cancer like gasoline is to a fire. I hope by “hormone therapy” you mean your mom is taking estrogen BLOCKING drugs and NOT estrogen supplements. “Estrogen positive” means the cancer is fueled by estrogen and the patient needs to have the natural estrogen that their bodies make and that occurs in foods they eat blocked to prevent the synthesis of estrogen in the body and/or the uptake of estrogens they ingest in food. Some patients have their ovaries removed to reduce the amount of estrogen their bodies make. Estrogen positive cancer patients should stay away from foods and supplements that contain phyto estrogens such as soy, black cohosh, evening primrose, wild yams, etc. And they should never eat GMO grains or oils because the herbicide these grains are engineered to withstand (Roundup) is an endocrine disruptor and all foods made with GMO soy, corn, and canola (rape seed) contain Roundup residue.

  3. gracy

    I am unable to post this in the Success Stories for whatever reason,so
    I posted here. I was diagnosed with prostate cancer on October 20,
    2012. I was advised by my doctor that my only options were to get a
    prostatectomy or have radiation seeds implanted in my prostate or
    receive regular external beam radiation. I declined. I knew there had
    to be other options.
    I scoured the Internet and discovered a wealth of information about
    cannabis oil curing cancer. I was able to obtain some medical marijuana
    oil Dr max gerson (Rick Simpson Oil) from it and consumed the
    recommended dosage by mid January.
    On January 26th 2014 I had a cancer reassessment which consisted of an
    MRI with a state of the art Tesla 3 MRI machine. Results – NO SIGN OF
    One of the things that helped me while going through all this was
    reading the testimonials and the success stories of those who have used
    the oil and were cured And with good food diet. Now that this wonderful
    oil has cured me, I feel I need to let others know as well. Please feel
    free to contact me, ask anything should you like more information or
    directly contact Dr max gerson at:
    Drmaxgersonmedicalhome@gmail.com were i purchased from. Thank
    you, Arthur Mike ~

  4. Medsweed For all

    High quality cannabis oil available at very good prices. Email (maqsoodabdul12@gmail.com) for more details.

  5. arthur Mike

    ” I am here to express my profound warm gratitude to the Rick Simpson hemp oil, which i got through Dr Palmer. I am now leaving a healthy life since the past years now. i am now a cancer free after the application of RSO. You can make a contact for yours from via email:drjacquelinepalmerhealthcare@live.com

    Thanks and God Bless you for your help, i will keep on help you to fight cancer in the World.
    Arthur Mike

    • Benedict George

      A great testimony i must share to all cancer patient in the world i never believed that their could be any complete cure for lung cancer or any cancer,i saw people’s testimony on blog sites of how rick simpson cannabis oil brought them back to life again i had to try it too and you cant believe that in just few weeks i started using it all my pains stop gradually and i had to leave without drugs the doctor gave to,right now i can tell you that few months now i have nit had any pain and i have just went for text last week and the doctor confirmed that there is no trace of any cancer again,glory be to Jesus for leading me to this genuine Doctor called rick simpson i am so happy as i am sharing this testimony,my advice to you that is thinking that their is no cure for cancer,just contact and get the oil treatment from rick simpson try it and you will not regret it because it truly works and here is his email(ricksimpsonphoenixtearsoil@gmail.com

  6. Fred Steve

    I am writing as the husband of an ovarian cancer patient, hoping that an important lesson that my wife and I learned may be of value to others.

    My wife, Cathy, 53, has a history of cancer. Her mother died of breast cancer at the age of 32, and my wife had colorectal cancer at the early age of 38. Fortunately, surgery alone was able to take care of the one tumor, sparing her the effects of chemotherapy and radiation.

    In December of 2013, Cathy noticed that her legs were aching and tiring quickly; my mother, 81 at the time, could last longer when shopping. Cathy was not overweight and used a Nordic Track exerciser regularly. Soon she noticed that her left leg was swelling slightly. We immediately went to the doctor and a CAT scan was performed, but nothing turned up. Other tests also revealed nothing, and the conclusion was drawn that the swelling was lymphedema caused by old scar tissue from the abdominal surgery she had 16 years ago! We found that hard to believe and got numerous more tests and opinions, only to come back to the same place.

    The lymphedema spread to her abdomen and other leg, causing swelling there as well. Finally, about a year later, a CAT Scan finally revealed a tumor, and a biopsy determined that it was malignant. Further testing revealed she was in Stage III.

    At about the same time, we learned through reading a book on cancer treatments, that there is a blood test called AMAS (Anti-Malignan Antibody in Serum), that will reveal the presence of cancer in the body, sometimes as much as 24 months PRIOR to clinical evaluation (such as a CAT scan), with great accuracy. We were never advised to have this blood test performed, and found that many doctors, including oncologists, do not know of the test. We believe that had we known about this test earlier, we would have had a much earlier diagnosis, making the disease much easier to treat. she has done chemotherapies twice (Taxol and Carboplatinum) but the cancer was not gone until we heard about the cannabis oil and its effective usage in treatment of cancer and we purchase the cannabis oil from London cancer centre via emailing the centre (londoncancercentre@gmail.com) for procurement of the oil and started using the oil for treatment as directed by the centre.

    After 3 months of usage of this oil my wife cancer was completely cured and gone. This oil medication brought joy and happiness to the family again.

    Fred Steve

  7. Peter Reynolds

    Catherine is correct. It really depends whether you are interested in the scientific evidence or in some sort of quasi-religious belief in cannabis.

    As for those posting YouTube videos or links to Collective Evolution and similar whacko, snake oil websites, it’s just laughable.

    There is no doubt that cannabis is extremely beneficial to most adults but the list of studies posted in this article is misleading. There’s only one human clinical trial of only eight patients and they were all dead within a year.

    • M d murray

      “There is no doubt that cannabis is extremely beneficial to most adults ”

      That is about one of the most ludicrous statements I have ever heard.

      • touchstone

        No, you’re wrong. I don’t know about cancer, but cannabis is an extremely beneficial plant and many drug companies used it in their medicines before Big Pharma came along.

        • Mdmurray

          No I’m not wrong. Pharmaceutical companies used to use Mercury, cocaine and heroin . This doesn’t constitute evidence that if works .
          And pharmaceutical companies used it before pharmaceutical companies came along?
          Im afraid this is just folksy nonsense

    • Dr. Nobs

      Sources for your statement?

  8. My Friend Stage IV breast cancer and MS has just been cured with the CBD oil gotten from drdonaldhealthcare cannabis oil is great medication. To hell with the government and their insane policy, we have a medication that is hundred percent assured to cure cancer and you don’t need to spend so much money anymore on chemo, radiation or surgeries that wouldn’t work.

    Where to purchase, contact via > drdonaldhealthcare@gmail.com

    My Friend,s Family is now a brand new one, so stop your worries and go get your medication and set the family free of the deadly disease that hold no respect to family harmony. This also works on seizures, chronic pains, e.t.c

    Make your health a better one by using CBD oil in your everyday life.

    contact Dr Donald for all type of cancer Cure.

    thanks to Dr Donald

    • Peter Reynolds

      A scam artist and confidence trickster.

  9. Kristina

    Hi. I smoked marijuana and stopped. I had a breast tumor which grew significantly after I stopped smoking, within a matter of months it had changed from smaller than a pea to larger than 5 cm. I started smoking marijuana again after the mammogram and ultrasound measured it. Nine months later, when I had a mastectomy for that tumor, the pathologist measured it and it was much smaller. I have received no treatments for cancer, because the oncologist only laughed at me when I told him the truth about marijuana in my own case. This was years ago. I do not want to chance it by quitting again. Would you?

  10. katerine

    I am unable to post this in the Success Stories for whatever reason,so
    I posted here. I was diagnosed with prostate cancer on October 20,
    2012. I was advised by my doctor that my only options were to get a
    prostatectomy or have radiation seeds implanted in my prostate or
    receive regular external beam radiation. I declined. I knew there had
    to be other options.
    I scoured the Internet and discovered a wealth of information about
    cannabis oil curing cancer. I was able to obtain some medical marijuana
    oil Dr max gerson (Rick Simpson Oil) from it and consumed the
    recommended dosage by mid January.
    On January 26th 2014 I had a cancer reassessment which consisted of an
    MRI with a state of the art Tesla 3 MRI machine. Results – NO SIGN OF
    One of the things that helped me while going through all this was
    reading the testimonials and the success stories of those who have used
    the oil and were cured And with good food diet. Now that this wonderful
    oil has cured me, I feel I need to let others know as well. Please feel
    free to contact me, ask anything should you like more information or
    directly contact Dr max gerson at:
    Drmaxgersonmedicalhome@gmail.com were i purchased from. Thank

    • Peter Reynolds

      Another scam artist and confidence trickster.

  11. Thanks for the info. I will read it.

  12. ahmed aboalola

    all of the information are true , but did you know that cannabis could totally kill or slow the activation of cancer cells.

  13. AlwaysLookingForSomethingBetterThanTheStatusQuo

    Cracking up at the railing against people making a buck on cannabis product. Have they never examined how much money the pharmaceutical companies make? How much money they spend on lobbying? How they and the FDA control, for the most part, the research industry?

    Long story short: You canNOT patent things like herbs. You can’t patent lavender, valerian, cannabis, etc. That’s why traditional pharmaceutical companies don’t use them. There’s no money in it.

    You want to know who’s controlling what? Follow the money trail. And anyone who believes that the medical industry and/or the government has your best interests at heart is a fool. An uneducated lemming.

    Did you know the US government holds the patent on Ebola of all things? Do you know what that means? That means they benefit, financially, from any Ebola treatment because you can’t study the thing without their permission.

    Get your head out of the sand, people.

    Do you understand that only SIX corporations control 90% of the media? Google it for yourself if you don’t believe me.

    Do you understand that TEN corporations provide almost all of the food on your grocery shelves, most in the cleaning aisle, and most in the personal health care aisle? Do you understand, fully, what GMOs do to food?

    Do you know that GMO food companies are buying out organic food companies like Annie’s, Kashi, and Burt’s Bees? And that they take the profits from those and fight against GMO labeling?

    I realize that I may be preaching to the choir here. But if ONE person decides to look for themselves outside of the box, I’ll consider that a victory. Even if their conclusions are different then mine.

  14. Catherine Myers

    Cannabis is NOT a Proven Cure – Yet

    #1 Reduction of cancer cell growth in in-vitro and animal studies is not a cure, it’s only a reduction of cell growth. It is not proof it will cure cancer in patients.

    #2 Protecting against neuro-degeneration has nothing to do with curing cancer. It might help seizure sufferers and Parkinson’s and Alzheimer’s sufferers.

    #3 Able to produce significant antitumor activity with in-vitro cell strains is not proof it will cure cancer in patients.

    #4 A reversal of tumor activity in in-vitro cells is not proof it will cure cancer in patients.

    #5 Inhibition of cell proliferation and reduction of tumor mass in in-vitro and animal studies is not a “cure”, it’s just a reduction in tumor size. It is not proof that it will cure cancer in people.

    #6 A dramatic reduction of cell growth in in-vitro studies is only a reduction of cell growth, not a cure. It is not proof ingesting cannabis concentrates will cure breast cancer in patients.

    #7 Inhibition of cancer cell proliferation, induction of cancer cell apoptosis, and impairment of tumor angiogenesis ARE all good things but none is a cure. Notice it says cannabinoid therapies might be useful for the MANAGEMENT of breast cancer. There is no evidence of a cure in this study.

    #8 Inhibition of human breast cancer cell proliferation in-vitro is not proof it will cure cancer in patients.

    #9 Inhibition of epithelial growth factor and lung cancer cell migration in the lab is not proof of a cure for patients. Notice it says that THC should be explored as novel therapeutic molecules in controlling the growth and metastasis of certain lung cancers. IT DOES NOT SAY IT’S A CURE!

    #10 Inhibition of cancer cell invasion – even when confirmed in primary tumor cells taken from a lung cancer patient, but treated in a petrie dish, is not proof it can cure patients when ingested. It is only evidence of inhibition of cancer cell invasion when cells are treated with cannabinoids in the lab.

    #11 This report on animal and in-vitro studies states, “It seems that the studies of Sarfaraz and colleagues lead to the direction that cannabinoids should be considered as agents for the management of prostate cancer, pending support from in vivo experiments.” There is no mention that cannabis cures prostate cancer in patients.

    This is getting monotonous. Suffice it to say none of the studies mentioned in this article were conducted on patients. Very few of them were even conducted on rats. Most were conducted on strains of cells in glass dishes in laboratories. While the results show that cannabinoids can inhibit cancer cell growth, accelerate cancer cell death, and reduce cancer cell proliferation and invasiveness keep in mind that if you pour alcohol in a petrie dish of cancer cells it will inhibit their proliferation and cause many of them to die. Ingesting alcohol is not a cure for cancer. Neither is cannabis – yet.

    The studies simply have not been done with patients to see if any combination or strength of cannabis compounds can produce the same results in patients as can be produced in the lab. Even if the studies had been done, and even if they showed the same inhibition and cell death acceleration, THAT STILL IS NOT A CURE. It is just inhibition of proliferation and acceleration of cell death.

    Double-blind studies on human patients that show cannabis kills all cancer cells in their bodies and eliminates tumors entirely long term is proof cannabis can cure cancer.

    These studies prove no such thing.

    Don’t they teach ANY science in school anymore? How can you consider yourself Collective Evolution when you can’t reason any better than this? Seems like collective regression to me.

    • The Anti Tumoral effects and numerous human cases all over the world make it clear that it can indeed cure cancer…the success rates are extraordinary, and the science is there to back it up. I understand what you are saying that cell death and inhibition of proliferation does not = cure.

      • Catherine Myers


        Desperate people will believe just about anything. And greedy people will tell them just about anything to make a buck. You are part of the problem!

        When I was undergoing cancer treatment, I encountered a woman who was so desperate to believe something was going to cure her that she convinced herself the doctors had put special medicine in the water cooler in the waiting room where we were waiting. She said you could taste the medicine in it. She urged me to drink some because it would cure me. Because she was so insistent, I tasted the water. It was obvious that the cooler had not been properly maintained and what the woman was tasting was algae build-up. But she was absolutely convinced it was a cancer cure.

        The same phenomenon is at work in the people reporting cannabis has cured their cancer. People are not considered cured until they have survived five years without recurrence. People have not been using concentrated cannabis for five years yet! Concentrated cannabis is a very new proposed treatment put forward by those who want cannabis concentrates legalized. It is possible that cannabis will eventually be added to the medications used to treat cancer. If my cancer returned, I might try it, but only as an adjunct to therapies that have been studied and have been scientifically shown to increase my chances.

        Anyone who tells a cancer patient to “Run From the Cure” is doing a very grave disservice to someone fighting for his or her life. First of all, there is no cure to run from. There are only medications that HAVE been shown – in peer reviewed and replicated double blind, long-term, human clinical trials – to increase survival for some cancer patients. For others, the benefits of those therapies might not be worth the side effects. In those cases, the “Stay High Until You Die” strategy might be the best course. But there are a lot of people for whom conventional treatment can be a cure. I am one of them. And so are hundreds of thousands of other Americans including 80% of childhood cancer victims.

        Have you ever considered that you are playing into the hands of the insurance companies and government health care programs that want to reduce expenses for cancer treatment? Have you ever considered that there is a movement to promote the “Stay High Until You Die” strategy for treating cancer because it will be far less expensive than conventional treatment?

        Have you ever considered that you are encouraging desperate people who are fighting for their lives to pin their hopes on snake oil and eschew treatments that do have a chance of helping them survive? Do you want that on your head? If not, change the headline buddy and stop using it to drive clicks on your blog.

        • M

          Your statements are significant Catherine. But cannabis is not that well researched for obvious reasons. I do not believe you need to be rude however… Even if the author wants votes. The plant needs to be studied more and it’s thousands of medical benefits need to be explored. It’s not just for pain relief..

          • mdm

            The extracts of cannabis are studied extensively throughtout the world – its just hasnt been shown to do anything worthwhile safe or an improvemwnt of current treatment – the notion that there is only one country in th world doing any research into it is just infantile. It would help if you dont make sill y unsubstantiated statements about the ” thousands of health benefits ” where there are none currently . Ther ehave been several sensible post on here but go to any pro drug website and you would be convinced that cancer was one disease and it was instantly curable with cannabis / cannabis oil in unknow quantity/ frequency / dose. its just garbage.

          • Catherine Myers

            Oh, you have not seen rude!

            I was diagnosed with stage III metastatic breast cancer in 2001. Since I was diagnosed, over HALF A MILLION American women have died of breast cancer – more than 40,000 every single year. We have been using polite pink ribbons to try to bring attention to this disease for over 30 years with absolutely no improvement in long-term survival beyond 5 years and the rate of new diagnoses just keeps going up. It was one in 11 when I was diagnosed, now it’s 1 in 8. So I am way beyond polite! Ask ACT-UP how polite they were when trying to get something done about AIDS.

            Claiming cannabis can cure cancer when we are clearly a very long way from knowing if it can even help in cancer treatment is a hideous thing to do to people who are afraid, confused, and fighting for their lives. So, yes, there IS a need to be just as rude, crude, and socially unacceptable as it takes to get people to STOP making it harder for cancer patients by spewing ridiculous claims on the internet.

            I agree cannabis needs to be studied further. Until it is I WILL rip, rag-on, and railroad anyone who gives cancer patients false hope – especially if they’re doing it to line their own pockets.

            So I re-iterate this author’s reasoning ability is very low if he really thinks that any of the studies he cites prove cannabis can cure cancer. He needs to revise his headline. The only reason he doesn’t is because he is making money off of it!

          • It’s not just the studies Catherine…its the people all over the world using it to cure their cancer. It’s worked a number of times, and these studies (out of many) clearly demonstrate the anti-tumoral effects of cancer. It’s not hard to put two and two together.

          • Catherine Myers

            The author writes: “It’s not just the studies Catherine…its the people all over the world using it to cure their cancer. It’s worked a number of times, and these studies (out of many) clearly demonstrate the anti-tumoral effects of cancer. It’s not hard to put two and two together.”

            OMG! You are too dense for words! How do you know it’s worked “a number of times” to cure anyone’s cancer? You did not cite even one such anecdote in this article! To what “studies” are you referring that show the “anti-tumoral effects of cancer”? What does that even mean???? If you mean the anti-tumoral effects of cannabis on human tumor-regression in actual patients – THERE AREN’T ANY SUCH STUDIES AND YOU CERTAINLY DO NOT CITE ANY HERE!. Why not? BECAUSE THERE AREN’T ANY!

            Why keep pretending that you have evidence that cannabis can cure cancer when you have none! You can cite 1000 trials where somebody poured anything from alcohol to nicotine, to drain cleaner in a petri dish with cancer cells and it will stop them from growing and pretty much kill them. Then you can put two and two together in your tiny little brain and put a misleading headline on it and make money on your blog! That is what you have done. That is all you have done and I’m calling you out on it. Putting two and two together in your miniscule mind is not good enough for cancer patients faced with life or death decisions! SO STOP IT! Just stop it.

          • http://www.collective-evolution.com/2014/06/23/lymphoblastic-leukaemia-survivor-has-a-very-important-message-for-the-world-help-her-share-it/


            The one below: was done by doctors we know here in Toronto, they published the case study and we direct all those with doubts to contact them…obviously you do not smoke it….it doesn’t work that way.


            The cases go on and on and I’m not going to do your research for you…

            As far as the “antitumoral effects” please actually read the studies….all of them demonstrate anti-tumoral effects and use those exact words lol..

            Here is one study that uses those exact words…


          • mdmd

            So you are seriously suggesting that your proof that cannabis cures cancer ” is a patient who dies from cancer. This “case report” is open access, non peeer reviewed and states false statements such as “cannabinoid resin extract is used as an effective treatment for ALL” – this is false
            It is appalling written in particular the ridiculous conclusion that the patient with leukemia died not from leukemia but from ” the side effects of the chemotherapy” – this is the evidence equivalent of used toilet paper.

            I could submit a similar paper – its just utter fantasy – I would suggest trying again. In a peer reviewed joural in a controlled trial comparing conventional treatment with cannabis extract. Good luck with that.

          • Yes but the antitumoral effects of cannabis are all in peer reviewed highly reputable journals. At the same time we shouldn’t limit our research to that, independent research is very important.

            I have a hard time seeing your point of view, given all of the evidence and proof…but out is what it is. Thanks for visiting our site:)

          • mdm

            “If you mean the anti-tumoral effects of cannabis on human tumor-regression in actual patients – THERE AREN’T ANY SUCH STUDIES AND YOU CERTAINLY DO NOT CITE ANY HERE!. Why not? BECAUSE THERE AREN’T ANY! ”

            I presume you havent addressed this reply earlier as you cant. Im afraid you are part of the cannabis cult. You are a believer and have seen miracles because people tell you. it is completely faith based and anyone who asks for proof is a heretic ( shill/ sheep/ big pharma/ etc etc). There are NO studies of cannabis treating humans. NONE. End of. The information isnt out there . Only made up crap is out there.

            I am glad you agree that this “story ” is utterly meaningless. The doctors didnt administer the drug and had no idea what she got. Its a farce, Its not evidence. The blast cells improved slightly according to them – completely unverifiable – due to what – delayed action of chemo – or the bone marrow? Perhaps it was the mysterious cannabis oil – the bottom line is she died . Shes dead. It didnt cure her cancer. im not sure how much more evidence you need.
            You could perhaps say this is an interesting phenomenon perhaps it merits further research to see if this was a one off – but for the ” authors” to make glib statements about it being useful treatment in ALL is completely false as shows why they could not publish it anywhere as it would have been laughed at. As is the conclusion someone with leukaemia didnt die of leukaemia it was the chemotherapy….its utter drivel

            Patients arent told to go home, and wait for a stroke in two months as most patients die from infection …its just utter crap.
            But die none the less – and you hold this as ” proof” that cannabis cures cancer.Even by your own limited understanding you must see that this contradicts your own point and means utterly nothing. The fact that you can really see my point of view doenst mean anything other than you are colossally thick or just pretending

            Im not sure what ” independant research” is ? The reason that material is peer reviewed is essentially so that people cant publish crap and say things like “cannabis cures cancer” and get away with it. If you mean ” independant of any basis in reality or fact then I understand.

            Cannabis xealots like you are the cult that make people angry. Time to go and gain a little intelligence.

        • My mom was cancer free for almost 7 years. Tumors from the breast cancer cells, previously dormant, began to cause ascites until she has so much pressure she cant walk more the 6 steps,,, The said they can give her a cathedar to drain it after she exhausts chemo. My mom was probably 190 lbs at 5 4. I know that’s big, but now she’s probably 150 at most. 3 months after starting chemo, she’s bald, hellish rashes all over her body, still can’t walk further than a few steps, and is vomiting on a daily basis. She’s convinced that cannabis must not be safe because of all the Anslinger/Hearst asskissers’ propaganda in the world. Chemo isn’t working and I fear she will succumb to her cancer before the white house stops playing god with our health and freedom of making adult oriented decisions. Like say for instance, smoking a joint without consequences from legal ramifications. Or the big topic of the day – Cannabis Oil’s stigma with federal offense charges vs. Ensuring your loved ones have a fighting chance against their cancer + a higher chance at successful pain management.Even if it doesn’t ‘CURE’ cancer it sure beats watching your loved one waste away on chemo without an human form of relief. If anyone thinks people should use cannabis to treat cancer, they should be taken behind the nearest building and hog-tied with a couple rolls of duct tape.

        • Leirgauk

          Excuse me… Are you working for big pharma? You’re EXTREMELY passionate about defaming cannabis as a cancer treatment. But yet your arguments indicate to me that you haven’t thoroughly educated yourself on the subject before opening your mouth. It’s easy to argue against in vitro studies – and that’s really all you’ve done. Your blatant denial of the credentials of the vast collection of evidence presented by the author makes a nigger like me question the credentials of YOU. HAVE YOU bothered to read some of the research reports? There are a lot of them – scattered all over the internet – and you should read some of them before you start making claims.

          in vivo brain tumor regression in rats/mice.

          in vivo lung cancer retardation in rats.

          A very nice, short and simple text about the anti-tumoral effects of cannabis, packed with neat sources to research reports.

          Check out the comment section here, this guy put up a huge variety of links to research reports, and explains in layman’s terms.

          Now, I agree that one shouldn’t make premature claims of a medicine still under research, but the anti-tumoral discoveries of cannabis are astonishing, and you make it seem like these findings were all discovered in a petri dish, which is terribly irresponsible and harmful. Most of the people reading articles like this don’t bother to check out the research reports, and will sadly take your word for it when you present yourself as a verbally coherent and sciency type of person.

      • Karola

        then all the people who post on face book telling us it helped them with there kids are lying. Why would they want to do that?????????????????????????????????????????????????????/

        • mdm

          Why would they do that ? Lots of reasons. ..They object to cannabis being illegal and feel promoting it as a medicine will help legalise it. They are selling cannabis oil as a useless cure to make money so it’s profitable . They have no proof so they are idiots . You did say Facebook and not the New England Journal of Medicine ? People can post any rubbish ….I’m sure people have posted on alien abductions. Doesn’t make it true either. …

          • Michael

            Cannabis costs nothing if you’re growing it yourself, and making your own oil, so how can anyone profit from it? Of course there are amounts of money to be dished out to grow and make the oil, but nothing compared to one month of chemo treatments. With the US govt tying up anyone wanting to do real research on it (you have to get the weed from the US govt, which has been known to, ahem, take their time in getting said weed to the researchers), don’t hold your breath for any domestic research results coming out soon. But strange that the govt has taken out at least two patents on cannabinoids.
            But taking that logic of who will profit (and don’t get me wrong, if you follow the money, most always you’ll find any culprit), I can say that anyone dumping on the idea of help from cannabis can be a shill for the liquor industry. They’re the last ones who want to see this legalized. But at least people who choose to do their own research and make their decision on a form of treatment can do so in states where medicinal cannabis is legal, so at least we’ve arrived to that point.

          • mdm

            Oh please don’t insult my intelligence – ” people can choose to do their own research” Really? By doing what exactly.If you had any earth based insight you would perhaps acknowledge that is ” cannabis oil cured cancer” or any other disease it would be the only drug in history where it didnt matter the dose , the amount the strength, the quantity or the disease. Its garbage. As for no money to be made / grow your own – so presumably you can make your own amioderone , apsirin, digoxin or penicillin then – all from natural ingredients or plants and just lying around? or chemotherapy – some of that is extracted from soil? its a little more complicated that your childish explanations account for.

            For ” cancer” take ” cannabis oil….whatever you like it ….doesnt matter….for epilpesy – a few forms in a few cases we have to take parents reports – quite rightly it is now being given as trial to see if it works and if there are long term side effects as we know ( or thinking people know) i has profound effects of memory and brain development. Its not harmless.
            If you could think for amoment you would know there are huge amounts of research carried out on cannabis in the US so again you are wrong. If it was difficult then it would simply carried outin what the rest of the world calles ” the rest of the world” – Europe Asia Canada….its not hard.

            The bottom line is there isnt a single shred of proof that cannabis oil works other than facebook and youtube – which show that the Yeti and aliens exist too. Its trash.
            There has been one study in humans for brain cancer about 13 years ago. Direct injection in the brain – they all died.
            Sorry to burst your bubble with reality check and throw away the same rehashed explanations for why its stifled research/ schill / chemo/ big pharma/ run from the cure…..

            It doesnt work in humans. Cyanide kills cancer cells in a petri dish. So what……

          • MAB

            “Why would they do that ? Lots of reasons. ..They object to cannabis being illegal and feel promoting it as a medicine will help legalise it.”

            Sorry, just couldn’t resist keeping my mouth shut after reading this.I have no personal experience with hemp seeds or oil or cannabis in any other form as a “cancer cure”, but in general if there’s something that IS working for me or my family members, I would share with friends on facebook. Good intentions – that is the answer. No other reasons! People share their success with this or that natural product or supplement because they would like to help others.

            I myself would like to share that I have had personal success with sweet almond oil, extra virgin coconut oil and epsom salt baths for treatment of my baby’s atopic eczema. What the doctor prescribed (steroid creams) does not work at all! And I would recommend to my friends on facebook these natural products that are working for us. What’s so wrong about it? Why start speculating that I may be having some “suspecious reasons” for shareing my success story with something mother nature gave us?!

            And why do you all need proof for everything? If it does cure you – fine, be happy for that! If it doesn’t, well….then it doesn’t, but at least you’ve been eating super food and that’s better for the overall feeling than eating fries, brownies and soda. Even your oncologist does not promise you that you’ll survive surgery, chemo or radiation.

            Hemp (seeds) is superfood. It contains so many nutrients! It would be only benificial for a cancer patient to eat hemp seeds. Even if it does not make them oficially cancer free, it will give them nutrients their body needs in order to slow down the growth of the cancerous cells and tumors. This will definitely prolong their lives.

            There’s by the way such a “miracle” when the body manages to fight off the cancer and revert cancerous cells into normal state, provided the patient follows a special diet, drinks alkaline water and boosts their immune system with supplements and superfoods.

            Chemo and radiation cause so much damage to the healthy cells of the body that the patient has even less quality time to spend with their loved ones after these types of orthodox treatment. These treatments should be actually the “last resort” ones.

            There nothing wrong with eating hemp seeds! It is for your health and well-being!

        • Catherine Myers

          There is quite strong anecdotal evidence that cannabis can help children with devastating seizure disorders. That’s probably what you’re reading on FB. I’m sure it could also have a strong sedative effect and make children more cooperative during cancer treatments so maybe that’s what parents mean when they say it helped their child. This would be a juvenile version of the Stay High Until You Die strategy. But since it is known that cannabis has a devastating effect on the developing brain of normal children, anyone who gives it to a child is taking a huge risk. That said, rather than watch my child seize 24-7, I would probably try cannabis oil. Parents trying to help a dying child will do just about anything. But since 80% of childhood cancers are cured with conventional therapies, anyone who gives only cannabis to a child with cancer could be giving them a death sentence.

    • Great article! I didn’t realize that cannabis had so many benefits. It’s too bad the big pharma companies aren’t utilizing this as an option for cancer treatment.

    • Then why has big pharma introduced Marinol??

    • Rob

      So, Guilty until proven innocent? Prove that there is harm in trying it and PROVE that it will not kill a single cancer cell.

  15. To all of the people that think pot cures cancer – there’s a big difference between killing cancer in a petri dish and killing it in a person’s body. By that logic bleach cures cancer as well. And yes, while it’s possible that THC might kill some cancer that’s a lot different than “smoking pot kills cancer” or “cannabis oil cures cancer”. You still have to come up with some kind of effective delivery mechanism and it has to be something effective enough to actually stop the cancer. There are plenty of drugs (ex. chemotherapy) that can kill most cancer cells. But it only takes a few for the cancer to keep spreading. So showing that THC is effective on cancer doesn’t mean it’s a cure. I’m all for legalizing pot, both for the medical research and to keep people out of jail, but once you start believing there’s an international conspiracy between all governments, universities and pharmaceutical companies to suppress an effective cancer drug – that’s where the tin foil hats come out.

    • mdmurray

      Good God ….someone with a notion of reality……………you will be on your own for a while..

      • So,in essence ,all the dozens (maybe hundreds) of testimonials depicting recovery from cancer using CBD oil are fake? Please! It might also behoove you to entertain the words hope and humility- They are very powerful but I see no trace of them in your e-mails – I have a dear friend who is stage 4 cancer and has used chemo for many months- Recently he switched to an M.D. who uses CBD oil. His progress(tested) has been amazing. L.R.

    • M

      Hehe. You are right Louis. But I do have high hopes for the plant regardless. The research is just beginning, and medical sciences and technologies are still developing to this day..

  16. https://www.youtube.com/watch?v=XfO_MpDm5kc&feature=youtu.be

    4/20 Marijuana Documentary – Cannabis Research Studies – 2014

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