Marijuana Kills Cancer Cells, Admits the U.S. National Cancer Institute

National legalization of marijuana may be drawing a smidgeon closer. The National Cancer Institute (NCI), one of the federal government sponsored agencies, has just updated the FAQs on its website to include recent studies on marijuana showing that it can and has killed cancer cells.

These are the findings of studies NCI have included:

    Cannabinoids may inhibit tumor growth by causing cell death, blocking cell growth, and blocking the development of blood vessels needed by tumors to grow. Laboratory and animal studies have shown that cannabinoids may be able to kill cancer cells while protecting normal cells.

    Cannabinoids may protect against inflammation of the colon and may have potential in reducing the risk of colon cancer, and possibly in its treatment.

    A laboratory study of delta -9-THC in hepatocellular carcinoma (liver cancer) cells showed it damaged or killed the cancer cells. The same study of delta-9-THC in models of liver cancer showed that it had anti-tumor effects. Delta-9-THC has been shown to cause these effects by acting on molecules that may also be found in non-small cell lung cancer cells and breast cancer cells.

    A laboratory study of cannabidiol (CBD) in estrogen receptor positive and estrogen receptor negative breast cancer cells showed that it caused cancer cell death while having little effect on normal breast cells. Studies of metastatic breast cancer showed that cannabinoids may lessen the growth, number, and spread of tumors.

    A laboratory study of cannabidiol in human glioma cells showed that when given along with chemotherapy, CBD may make chemotherapy more effective and increase cancer cell death without harming normal cells. Studies showed that CBD together with delta-9-THC may make chemotherapy such as temozolomide more effective.

These studies are considered by the NCI as preclinical. They were all done using animals. According to them, no clinical trials of cannabis use for the treatment of cancer in humans have been published.

Source: http://naturalsociety.com/marijuana-kills-cancer-cells-admits-the-u-s-national-cancer-institute/

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