Smoking, Vaping, and COVID 19: Risks and Health Tips Temple Health Secondhand vape plumes could form lung damaging radicals American Chemical Society E cigarette use is linked to higher heart attack risk, especially in former smokers Puff Bar Vape E Cigarettes Could Face FDA Crackdown Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN