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 Vaping and COPD: Is it okay or can it cause more problems? Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy New Study Links Vapour Exposure to Acute COPD Symptoms Vaping Post Vaping Marijuana Causes More Lung Damage Than Vaping or Smoking Nicotine Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine