How To Smoke A Vape Like A Pro Smokers and Vapers May Be at Greater Risk for Covid 19 The New York Times 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 Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Secondhand vape exposure: Risks and side effects