The Scary Truth About Teen Vaping Did you know? Second hand smoke can cause serious health conditions, including lung cancer, heart diseases, and even stroke! Kids are especially vulnerable, so protect yourself and theirs by keeping Hidden Dangers of Secondhand Vaping Emory Health Digest ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center Tobacco Smoke, Vaping, and Asthma AAFA.org