Article: MARIJUANA THREAT NEW RESEARCH FINDS THE SMOKE FROM ONE 'JOINT' 4 TIMES MORE TOXIC THAN THAT OF REGULAR CIGARETTE

The smoke from a single mari is about four times as bad for you as smoke from a single, filter-tipped tobacco cigarette -- regardless of how much THC, the active ingredient in marijuana, it contains -- a new study shows.

The study, published today in the New England Journal of Medicine, found that it is the difference in the way people smoke marijuana cigarettes, known commonly as joints, that probably accounts for their greater toxicity.

Smoking marijuana typically involves bigger puffs, deeper inhalations and longer breath-holding time than smoking cigarettes, the researchers found.

Indeed, when the 15 men examined in the study smoked both regular cigarettes and marijuana in ...

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