E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Vapes contain chemicals and toxins that can cause serious health issues. Vaping can also become addictive. Vapes can contain high levels of nicotine, sometimes more than cigarettes Vaping can have harmful, life long Vaping refers to the act of inhaling and exhaling aerosol, often called vapor, produced by an electronic cigarette or similar device. These devices heat a liquid that usually contains nicotine, flavorings, and Can Vaping Cause Diarrhea? What Impact Does Vaping Have On Your Digestive System SMOKO E Cigarettes