About 1 in 10 high school students say they've used e cigarettes in the past month., Tobacco and e cigarette smoke makes breathing harder, damages lungs, and increases the risk of asthma., Learn more Smokers Switching to Vaping See Improved Respiratory Health Respiratory Therapy E cigarettes associated with greatest chance of smoking cessation, suggests Cochrane review The Pharmaceutical Journal What Vaping Really Does to Your Lungs University of Utah Health