Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Tobacco Smoke, Vaping, and Asthma AAFA.org Smokers Switching to Vaping See Improved Respiratory Health Respiratory Therapy What the JUUL? New Tobacco Product, Same Industry Tactics American Nonsmokers' Rights Foundation no smoke.org Ever puffed a vape around others thinking it's harmless? Think again. Inhaling vapor from e cigarettes exposes you to harmful chemicals, such as formaldehyde. These toxic substances can be passed on to Secondhand smoke and secondhand aerosol