Is Secondhand Vaping Something to be Concerned About? Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes.