Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule 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. Is Secondhand Vaping Something to be Concerned About? ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. 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