Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Asthma and Allergy Foundation Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping is The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Tobacco Smoke, Vaping, and Asthma AAFA.org Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY