HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Health Risks of E Cigarettes and Vaping American Lung Association Secondhand smoke and vape can trigger your child's asthma attacks. Smoking and vaping are unhealthy for everyone but especially harmful for people with asthma. Whether at home, in the car, or Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Are vapes more harmful than cigarettes? Fact check