Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Passive vaping time we see it like secondhand smoke and stand up for the right to clean air Safety for Vaping Around Pets Bayside Animal Hospital Bayside Animal Hospital Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts Why Vaping is Dangerous, Especially for Children with Asthma The National Environmental Education Foundation (NEEF)