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 Why Vaping Can Trigger Smoke Alarms And How To Stop This From Happening Do You Inhale Vape Or Keep It In Your Mouth Mouth to Lung (MTL) vs Direct Will Vaping Set Off Hotel Smoke Alarms? How to Inhale When Vaping Do vapes set of smoke alarms? IQOS UK