What is MTL Vaping? What Does Mouth to Lung Inhaling Mean? Vape Inhalation: To Puff or Not to Puff? Find Out! How to Vape in 5 Easy Steps: The 2026 Guide Article blu 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 Do You Inhale Vape the Same Way as Cigarettes? Does Vaping Cause Lung Cancer? What We Know (and Still Don't)