E Cigarettes and Vaping OHSU Vaping also exposes your friends and family to dangerous chemicals. Don't let vaping harm your family and friends' health. Vaping harms your health Cancer Institute NSW Vaping can have several harmful effects on health. It can damage the lungs, leading to respiratory issues like coughing and shortness of breath. The chemicals in vape liquid can also cause Is vaping as bad as smoking cigarettes? BBC Learning English from the News Is vaping safer than smoking? Dr Colin Mendelsohn