Maine Cannabis Chronicle Spring 2021: the Sprout Issue

Page 18

HEALTH

Is There a Cannabis Cancer Connection? B Y K AT I E W E I T M A N P H O T O G R A P H Y B Y M AT T H E W B O U R G E O I S There’s been a lot of hype around cannabis use among cancer patients, and for good reason. As with many other diseases, such as Lyme Disease or Multiple Sclerosis, cancer patients use cannabis largely to treat symptoms like chemotherapy-induced pain and nausea. But unlike many other disorders cannabis is used to treat, research shows cannabis may be able to not only treat cancer symptoms, but may also actually combat the disease. While many current cancer treatments, most notably chemotherapy and radiation therapies, are literally poisonous, cannabis may offer a safe, natural alternative that has minimal side effects. Researchers and medical providers initially became interested in the potential for using cannabis to treat cancer patients after seeing how HIV/AIDS patients responded. The success rates of cannabis in treating cachexia (or wasting syndrome) led many to believe that cannabis could be used to help treat the side effects of chemotherapy. Researchers have since found that cannabis not only treats the side effects of chemo, but that it also seems to increase its efficacy when treating certain kinds of cancer. There is also some data to suggest that cannabinoids can also increase the efficacy of radiation treatment, but there is less research into radiation than chemotherapy. In addition to the dozens of anecdotal success stories, recent research shows great promise in using cannabinoids to treat cancer patients. Studies dating back to the 1970s have shown THC slows tumor growth. Subsequent studies have shown that cannabinoids— THC as well as others—not only slow tumor growth, but also promote apoptosis (cell death) in certain cancer cell lines and interfere with neovascularization (that is, it limits blood supply to tumors). This helps prevent migration, adhesion, and matastization—i.e., the spread of cancer to different parts of the body. And, it seems cannabinoids do this in a targeted manner so that only cancerous cells are destroyed. There even seems to be some evidence that as cannabinoids kill diseased cells they simultaneously fortify healthy ones. Interestingly, cannabis seems to treat certain types of cancer better than others. Research has shown that cannabis has high success rates in killing skin and bladder cancer cells and seems to be effective at preventing the spread of breast cancer and shrinking tumor size in patients with glioblastoma. Cancer Research UK has helped fund Dr. Chris Paraskeva’s research into the potential benefits of

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endocannabinoids and THC in treating bowel cancer, and a review done by the California Men’s Health Study found lower rates of bladder cancer in cannabis users. There has been more research into the effects of cannabis on certain types of cancers than others. Several studies have been done to assess the viability of cannabis as a potential therapy for breast cancer, for instance. There have also been a number of studies done on the effects of cannabinoids on gliomas (brain cancer) and leukemia. Researchers have also looked into the effects of cannabinoids on glioblastomas, astrocytomas, and neuroblastoma (all forms of brain cancer), prostate cancer, testicular cancer, colon cancer, uterine cancer, thyroid and lymphoid cancer and tumors, lung cancer, and skin cancer. While cannabis seems to be an effective treatment for certain types of cancer, it also seems to increase tumor growth in some cell lines. A notable example is breast cancer, where cannabinoids seem to be very effective in treating certain cell lines, but seems to accelerate tumor growth in other models. A new report out of the University of California San Diego School of Medicine shows that THC actually accelerates head and neck cancer in patients with HPV. Another very famous study done in Sweden, which surveyed almost 50,000 men, found higher rates of testicular cancer in heavy cannabis users. The results of this survey appear to be validated by other recent studies. So not all cancers are created equal when it comes to cannabis treatments. One reason that certain types of cancer may be more receptive to cannabis treatments is that certain types of cancer cells have higher than normal levels of cannabinoid receptors. Some argue that this shows cannabinoids don’t just happen to kill cancer cells, but that the human body is programmed to respond this way. Supporting this assumption is research that shows endogenous cannabinoids like anandamide, an endocannabinoid structurally similar to THC, kill cancer cells in a similar way to their phytocannabinoid counterparts. There is ample evidence available to support the idea that patients with stronger endocannabinoid systems have better success rates, and several case reports have shown a dose-dependent relationship between cancer cell levels and the amount of concentrate used. There is also some evidence that cannabis users are at decreased risk for certain types of cancer, like lung cancer.


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Articles inside

Book Review: Cooking with Cannabis

5min
pages 44-45

Maine Showcase

2min
pages 46-49

420 Minutes: South Portland

6min
pages 40-41

Strain Safari with The Strainger

9min
pages 50-51

Faces in the Field: King Bishop

4min
pages 52-53

Bongcloud Attack

2min
pages 54-55

Songs of the Psyentists

10min
pages 36-39

Artist Interview: Abbeth Russel

5min
pages 33-35

Is There a Cannabis - Cancer Connection?

7min
pages 18-21

The Healing Pathways and Properties of CBD-A

5min
pages 22-23

The Spectacular and Miraculous Cannabis Seed

3min
pages 14-15

The Comeback IS Greater than the Setback

6min
pages 24-26

Maine’s Packing and Compliance Conundrum

3min
pages 27-29

Her Highness: Seven Cannabis-Infused Reasons to Work Out with Weed

6min
pages 30-32

Hindsight is 20/20

4min
pages 10-11

Crypto Cannabis

4min
pages 12-13
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