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 Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine New Study Links Vapour Exposure to Acute COPD Symptoms Vaping Post Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Vaping Marijuana Causes More Lung Damage Than Vaping or Smoking Nicotine Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine