Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition. E Cigs Vapes: Where Did They Come From? Tobacco Prevention Toolkit Stanford Medicine Amazon.com: Don't Breathe It In Poster quit vaping e cigarettes risks vaping can harm your lungs classroom poster schools clinics anti vaping campaigns 11 x 17: Posters & Prints Inhalation Toxicology of Vaping Products and Implications for Pulmonary Health Smoke Vape Causes Lung Disease E cigarette Stock Vector (Royalty Free) 1580147245 Shutterstock What are the respiratory effects of e cigarettes? The BMJ