Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Is vaping safer than smoking? Dr Colin Mendelsohn E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Juul Lightning Charger How to Charge a Juul with an iPhone Charger 5 Vaping Facts You Need to Know Johns Hopkins Medicine