Smoking Marijuana Does Not Cause Lung Cancer
One in three Americans will be afflicted with cancer, we are told by the government (as if it’s our immutable fate and somehow acceptable). Cancer is the second-leading cause of death in the U.S. and lung cancer the leading killer among cancers.
You’d think it would have been very big news in June 2005 when UCLA medical school professor Donald Tashkin reported that components of marijuana smoke -- although they damage cells in respiratory tissue -- somehow prevent them from becoming malignant. In other words, something in marijuana exerts an anti-cancer effect!
The National Institute on Drug Abuse, which supported Tashkin’s marijuana-related research over the decades, readily gave him a grant in 2002 to conduct a large, population-based, case-controlled study that would prove definitively that heavy, long-term marijuana use increases the risk of lung and upper-airways cancers.
What Tashkin and his colleagues found, however, disproved their hypothesis. (Tashkin is to marijuana as a cause of lung cancer what Hans Blix was to Iraq’s weapons of mass destruction -- an honest investigator who set out to find something, concluded that it wasn’t there, and reported his results.)
It turned out that increased marijuana use did not result in higher rates of lung and pharyngeal cancer, whereas tobacco smokers were at greater risk the more they smoked. Tobacco smokers who also smoked marijuana were at slightly lower risk of getting lung cancer than tobacco-only smokers.
These findings were not deemed worthy of publication in "NIDA Notes." Tashkin reported them at the 2005 meeting of the International Cannabinoid Research Society. They were published in the October 2006 issue of Cancer Epidemiology Biomarkers & Prevention.
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