Health Effects of Cigarettes: Chronic Obstructive Pulmonary Disease (COPD) Smoking and Tobacco Use CDC The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association Smoking vs Vaping Which is Worse? Smoking: 1. 7,000+ harmful chemicals 2. Causes lung cancer, COPD, heart blockages, strokes 3. Long term, progressive, and deadly Vaping: 1. Marketed as "safer" but misleading Vaping and COPD: Is it okay or can it cause more problems? Risk of vaping in chronic obstructive lung disease and causes of COPD MrMed Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax