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Is Cannabis Helping Prevent Bladder Cancer?

September 9, 2015

According to the 2015 report of the California Men’s Health Study, cannabis use was associated with a 45% decreased risk of bladder cancer. Researchers analyzed results from an 84,170-person survey that identified the rates of cannabis and tobacco use in 2002-2003:

  • 34,000 (41%) reported marijuana use
  • 47,092 (57%) reported tobacco use
  • 22,500 (27%) reported using both
  • 23,467 (29%) reported using neither

Eleven years later, 279 respondents had developed bladder cancer; 89 were cannabis consumers and 190 were not. And while cannabis was linked to a 45% cut in cancer risk, tobacco was associated with a 52% increased risk. Both substances used in conjunction yielded a 28% increased chance.

Is it a coincidence, or is there something to these findings we’re only scratching the surface of? Just two weeks ago, the National Cancer Institute admitted that “cannabis has been shown to kill cancer cells in the laboratory.” Still, cannabis remains a Schedule 1 controlled substance with concrete legal walls standing in the way of cannabinoid research. Isn’t it about time we consider the lives we could be saving by investigating the potential of cannabis on a larger scale?

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Bailey Rahn

Bailey is a senior content manager at Leafly, specializing in strains and health. She's spent 7+ years researching cannabis products, spreading patients’ stories, and exploring healthy ways of integrating cannabis into daily life.

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