Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts What's Worse : Vaping vs Smoking Cigarettes Punk Juice Vape Store Frequently Asked Questions Thirdhand Smoke Resource Center ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC