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Hookah smoking delivers carcinogens and carbon monoxide

Along with nicotine, user gets toxic substances from water pipes

The tobacco and fruit mixture smoked in public hookah bars might be considerably more dangerous than its pleasant scent would suggest. An analysis of people who smoked from water pipes three times a day finds that the pipes deliver more carbon monoxide and benzene, a carcinogen, than does smoking half a pack of cigarettes daily.

In an upcoming issue of Cancer Epidemiology, Biomarkers & Prevention, researchers document those and several other cancer-causing compounds that showed up in urine tests of the water-pipe smokers. The research calls into question a common assumption: that hookahs are safe.

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