Teens who vape or use hookah are more likely to use marijuana later, study finds

8/6/18–Teens who used e-cigarettes and hookah were up to four times more likely to use marijuana later, according to a study published Monday in the journal Pediatrics. The researchers found that the students who had tried e-cigarettes when they were freshmen had a more than three-fold greater likelihood of ever using marijuana and using marijuana in the past 30 days than students who hadn’t tried e-cigs. Read