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Cannabis smoke actually contains many of the same cancer-causing chemicals as tobacco smoke, often in higher concentrations

However, the increase in popularity of e-cigarette and hookah use offsets the recent decline in the use of more traditional products such as cigarettes and cigars

Surgeon General's report on the dangers of smoking, one of the group's ubiquitous publicity shots, an image emblazoned on everything from loose leaf notebooks to handkerchiefs, showed Paul holding a cigarette

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I record them with my friends Dechen Shak-Dagsay and Regula Curti

But, more important, that issue will likely work itself out over time