New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Une femme afro amricaine fume une cigarette lectronique et laisse fumer de sa bouche., Noir E cigarette : Faisons le point. UMass Chan study finds experts most credible among young adults in social media campaigns