Teens Who Vape Are More Likely to Start Smoking SPH What don't we know about vaping? Research!America Analysis suggests e cigarette use may be linked to lower rates of smoking Youth vaping is rising and it's harming more than just lungs. 77% of young adults who vape never smoked cigarettes It impacts brain development, learning, and mental health Long term smokers who start vaping see health benefits within a month New Scientist