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 Does Nicotine Cause Head Rush? Signs of Withdrawal, Poisoning Vaping: The Good, the Bad and the Popcorn Lung MPH Online How To Inhale Vapour: Learn To Vape The Right Way What Does Vaping Do to Your Lungs? Johns Hopkins Medicine