Study Shows Toxins In Marijuana Smoke Levels Of Some Toxins Higher In…
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Study Shows Toxins In Marijuana Smoke Levels Of Some Toxins Higher In…
CBS News – Dec 17, 2007
The researchers burned 30 marijuana cigarettes and 30 tobacco cigarettes on a machine in their lab, measuring levels of chemicals in the smoke. Ammonia levels were up to 20 times higher in marijuana smoke than in tobacco smoke.