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Analysis Confirms Cannabis Reduces Cancer Risk

7. December 2020 | Category: Health, Research Reports
Source: Pexels.com

Source: Pexels.com

An August 2020 meta-analysis headed by Thomas M. Clark, PhD, Department of Biological Sciences, Indiana University South Bend, South Bend, IN stated that “it is becoming clear that Cannabis use may also meet the definition of preventive medicine.”

The study continued to state, “Like all medicines, Cannabis has harmful effects, especially if misused. However, Cannabis use rarely results in fatalities, and is thus safer than many pharmaceuticals. Therefore, moderate, adult Cannabis use may be associated with a net improvement in public health.”

The good outweighs the bad 

The meta-analysis stated that this shouldn’t be surprising as cannabis use and cannabinoids have been found to be associated with decreased rates of obesity, soothing chronic inflammation, and reduced fasting insulin levels and sensitivity while also having direct antitumor qualities. 

“It is becoming clear that Cannabis use may also meet the definition of preventive medicine.”

Interestingly, even though the throat, lungs, and everything connected to the airways of the bodies, along with the bladder would be the most exposed to carcinogens from smoking cannabis, and yet oral, pharyngeal and laryngeal cancer risks are significantly lowered in cannabis users. From the analysis: “This demonstrates that the anticancer effects of Cannabis outweigh the carcinogenic effects even in the airways and bladder, where carcinogen exposure is high.”

Prevention of obesity?

One theory suggests that the hunger-inducing flower of cannabis helps prevent cancer through preventing obesity. The meta-analysis found that “Cannabis users show decreased body mass index (BMI) relative to nonusers. This may be due to down-regulation of CB1 in Cannabis users, which would desensitize the ECs and counteract the impact of the modern American diet on weight gain.” 

Cannabis use does not increase cancer risks. 

Cannabis use does not increase cancer risks.

Additionally, between 1982 and 2000, obesity caused about 20% of the cancer deaths of American women, and about 14% of the cancer deaths of American men. Due to this, the meta-analysis posits that, similar to weight loss from bariatric surgery, reduced obesity rates due to cannabis use may decrease cancer risks.

According to the analysis, if a 10% decrease in cancer risk is accurate, and applies across different types of cancers, then cannabis use would prevent as many as 8,498 and 12,747 cancer deaths per year. 

The data could not show cannabis was a risk

While the hypothesis that cannabis use increased cancer risks could not be shown through the data, when testicular cancers were removed from the data set, or when data with a high risk for bias was removed, cannabis showed a significant negative association between cannabis use and cancer risk. It means that cannabis use generally does not increase cancer risks. 

“Therefore, moderate, adult Cannabis use may be associated with a net improvement in public health.”

Interestingly, the difference between high and low consumption did not seem to be significant on the protective effect against cancer. Both casual and chronic consumers are likely to enjoy the benefits of cannabis’s anti-cancer properties, along with everyone in between. 

Text: Karhlyle Fletcher

Cannabis Therapy – online magazine for cannabis patients and experts alike. Issue No.2 coming soon! In the meantime, check out the issue no. 1 HERE.

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Cancercancer researchcannabinoid receptorscannabinoidscannabis and cancerCB1ECSendocannabinoid systempreclinical research

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