Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Is Secondhand Vaping Harmful To Your Health? Secondhand Vape Plumes Could Form Lung damaging Radicals 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 Secondhand smoke from vaping could be harmful to children: study ABC13 Houston