For 30 years, Donald Tashkin has studied the effects of marijuana on lung function. His work has been funded by the vehemently anti-marijuana National Institute on Drug Abuse, which has long sought to demonstrate that marijuana causes lung cancer. After 3 decades of anti-drug research, here's what Tashkin has to say about marijuana laws: "Early on, when our research appeared as if there would be a negative impact ...more »
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