25% of young adults have used a hookah

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http://www.msnbc.msn.com/id/37068386...th-addictions/

...A new survey, published today in the journal Pediatrics, confirmed that as many as 23 percent of young people in North America have used a hookah, also known as a water pipe, shisha, narghile or hubble bubble, in the last year. And according to a study in the current issue of the American Journal of [COLOR=darkgreen ! important]Health[/COLOR] Behavior, hookah prevalence is on the rise worldwide...

...According to a 2009 study in the American Journal of Preventive Medicine, average hookah use exposes the smoker to more smoke and carbon monoxide, and similar amounts of nicotine, as cigarettes. The two practices likely share some similar health risks, the study concluded. In particular, hookahs have been linked to lung cancer, heart disease and pregnancy complications. So why do people think they are safe...