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Hookah waterpipe use has grown in popularity in recent years -- 1 in 5 college students in the U.S. and Europe have tried it -- but the practice could be more dangerous than other forms of smoking, according to a first-of-its-kind study by researchers at the University of California, Irvine, [...]

Using a custom-built testing apparatus, the UCI chemists analyzed emissions during a typical communal waterpipe session and found that one draw from a pipe can contain as many noxious substances as smoke from an entire cigarette.