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 Vaping vs. Smoking: Is One Really Safer Than the Other? Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me