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 Understanding the Risks of Vaping on Lung Health How to Vape: A Beginner's Guide to Inhaling OK Vape Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times How to Inhale a Vape: A Step by Step Guide for Safe Inhalation Do You Inhale Vape the Same Way as Cigarettes?