Our researchers are studying the effects of vaping on the lungs and airway., They found several components in e cigarettes damage cells that help protect us from viruses. , Dr. Fariba Rezaee explains Best MTL Vapes: Mouth to Lung Vape Kits and Tanks (2026) Making the Best DTL Vape, E Liquids, & Accessories VaporFi Best Vitamin Vapes with No Nicotine in 2025 ARR Brand Can vaping damage your lungs? What we do (and don't) know Harvard Health What are the best mouth to lung (MTL) vape devices?