Smokers Switching to Vaping See Improved Respiratory Health Respiratory Therapy The Impact of E Cigarettes and Asthma: What You Need to Know For Parents of Children with Asthma American Lung Association 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