Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de What do we know about the health risks of thirdhand smoke? Thirdhand Smoke Resource Center SJC Public Health Services Did you know that vaping can have similar secondhand impacts just like cigarettes? It is known to be harmful and has been linked to Instagram Tobacco Smoke, Vaping, and Asthma AAFA.org