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viernes, 28 de marzo de 2014

webmd.com – 26 de marzo de 2014 – EEUU

E-Cigarettes: What the Research Shows

A study published earlier this month shows that middle school and high school students who smoke e-cigarettes also are more likely to smoke tobacco cigarettes. While the study didn’t prove cause and effect, it does show a strong link between the two habits.

Further research shows that 70% of adult smokers start before age 18.

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