Asthma and Allergy Foundation 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, Instagram Stealth PUFFiT vaporizer mimics asthma inhaler (review) The Denver Post Asthma and Allergy Foundation 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, Instagram Spiriva Inhaler for COPD & Asthma Respiratory Care Asthma friendly Schools Vermont Department of Health COPD and Vaping: Understanding the Risks and Long Term Effects