Large study finds NO link between cannabis and lung cancer
The facts just keep piling up. A large study in California of 1,000 patients ultimately concluded that even heavy, long-term marijuana use does not cause lung cancer.
The scientists found that even those who smoked more than 20,000 joints in their life did not have an increased risk of lung cancer. “We expected that we would find that a history of heavy marijuana use - more than 500 to 1,000 uses - would increase the risk of cancer from several years to decades after exposure to marijuana” said physician Donald Tashkin of the University of California, Los Angeles.
The researchers interviewed 611 lung cancer patients and 1,040 healthy controls as well as 601 patients with cancer in the head or neck region under the age of 60 to create the statistical analysis. They found that 80 percent of those with lung cancer and 70 percent of those with other cancers had smoked tobacco while only roughly half of both groups had smoked marijuana. The more tobacco a person smoked, the greater the risk of developing cancer, as other studies have shown.
Although the study does not reveal how marijuana avoids causing cancer, this is still huge news. Finding out how cannabis avoids causing (and maybe even helps cure?) cancer will be the logical next step, and hopefully it will come soon. There’s no reason a medication this powerful shouldn’t be legal.
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