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 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 What Parents Need to Know About What Teens Are Inhaling How to Inhale a Vape (Without Coughing!) Ashtray Blog E Cigarette Direct Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times