E-cigarette use by teens linked to later tobacco smoking: study

TORONTO — Teenagers who use electronic cigarettes are at risk of graduating to tobacco smoking, a large Canadian study suggests. The study of more than 44,000 Grade 9 to 12 students in Ontario and Alberta, published Monday in the Canadian Medical Association Journal (CMAJ), shows a “strong and robust” linkage between so-called vaping and subsequent tobacco use. “We found that youth […]