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 Vaping Affects the Body Retractable Display Prevention Resources Vaping and COPD: Is it okay or can it cause more problems? Switching from cigarettes to vapes improved heart and lung measures in COPD trial Clearing the Air Question: How do the ingredients in e cigarettes and vaporizers affect respiratory health? Los Angeles ENT Doctors ENT Specialists Top Surgeons