Do You Inhale Vape the Same Way as Cigarettes? 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 How to Vape Everything You Need to Know Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Is Mouth to Lung Vaping Better Than Direct to Lung?