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Source: Karen Kaplan, NEWS & OBSERVER, 11/8/16
Los Angeles teenagers are giving health experts a new reason to worry about electronic cigarettes.In a study of more than 3,000 students in L.A. County public schools, those who were vaping at the beginning of their sophomore years were more likely to become cigarette smokers over the next six months, compared with their classmates... For more of this story, click here.
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