The Impact of E Cigarettes and Asthma: What You Need to Know 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 How to Vape? Inhale & Safety Tips For All Vaping Styles How To Inhale A Vape: Tips for Improving Your Vaping Performance