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Posted by duddy   January 12, 2016   8060 views

As cigarette smoking rates fall, more people are smoking tobacco from hookahs: communal pipes that enable users to draw tobacco smoke through water. A new meta-analysis shows that hookah smokers are inhaling a large load of toxicants. According to the study, compared with a single cigarette, one hookah session delivers approximately 125 times the smoke, 25 times the tar, 2.5 times the nicotine and 10 times the carbon monoxide (CO). The latter stat accounts for the light-headedness and high that smokers experience when inhaling the smoke, since CO reduces the amount oxygen capable of binding to circulating red blood cells.

In addition to these estimates, the Centers for Disease Control and Prevention recently reported that, for the first time in history, past 30-day use of hookah tobacco was higher than past 30-day use of cigarettes among U.S. high school students. Additionally, about one-third of U.S. college students have smoked tobacco from a hookah, and many of those individuals were not previous users of other forms of tobacco.

Source: University of Pittsburgh Schools of the Health Sciences

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