Vapes contain formaldehyde, acrolein, and acetaldehyde just like cigarette smoke and are harmful to the lungs. Need help quitting vaping? Call 1 800 QUIT NOW for free help. #oktoquit #vape #lunghealth #oklahoma #okcmetro #tulsaoklahoma #lawtonoklahoma Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Vaping is often seen as a less harmful alternative to smoking, but since it is still relatively new, there is no way to study the long term effects. Both vaping and smoking irritate Emissions from Electronic Cigarettes: Key Parameters Affecting the Release of Harmful Chemicals Environmental Science & Technology