Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy The Real Risks HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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 Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center