When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Vaping (e Cigarette, Marijuana) Facts, Health Risks, Mental Health, Cough, Addiction While vaping is not risk free, it is less harmful than tobacco Our World in Data Does Vaping Cause Lung Cancer? Another Gross Reason to Put Down the E Cigarettes American Lung Association A Single Session of Vaping Can Hurt Your Lungs