E Cigs and Second Hand Vaping: Dangers and Protections Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Tobacco Smoke, Vaping, and Asthma AAFA.org Is Second hand Vapour Harmful To Others? Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy Second hand smoke It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center