The Dangers of Vaping: Six Facts to Know Holland Hospital 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 E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Let's talk vapes. They are pretty, they look cool, there's nothing bad about them C'mon! A vape is "always on." Because of nicotine salts, people are often hitting much higher concentrations of