Hookah bars are a growing trend across the country. Despite CDC warnings that hookah smoking can be as dangerous—or even more dangerous—than smoking cigarettes, a recent study of 18-30 year olds found that 57 percent believed smoking hookah wasn’t harmful to their health. Contrary to what they have heard, filtering smoke through water, as in a hookah pipe, does not make it safer. In fact, you take 10 times more puffs on a hookah than on a cigarette, exposing you to even more toxic smoke.

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