Vaping Exposes Users to More Toxic Metals Than Smoking Cigarettes inChemistry Report: More Than One in Ten Young Adults Uses E cigarettes Patient Care New E Cigarette Laws Could Drive Some Users to Smoke More Cigarettes Duke Health New data show nearly 800,000 teens vaped for the first time in the past year, as FDA is set to announce first major decision to remove a popular e cigarette brand The majority of e cigarettes on the market are illegal