Yes, vaping is toxic and the consequences can be permanent. A U.S. teenager developed popcorn lung a life altering, incurable condition after secretly vaping flavored e cigarettes for So my vape was burning the back of my throat. I changed my coil and primed it for a long time. It still feels like it's burning. Any ideas why? : r Vaping Vaping 'Was Silently Killing Me' Northwestern Medicine What Does Vaping Do to Your Lungs? Johns Hopkins Medicine