How Do You Know A Juul Is Fully Charged Juul, the vape device teens are getting How Do You Know A Juul Is Fully Charged Juul, the vape device teens are getting hooked on, explained Vaping can inflame and scar your lungs. It's not just water vaporit's an aerosol that can irritate airways and make breathing harder over time. This post was created by SCSU nursing Study links chronic vaping to progressive lung damage Harvard Gazette How To Tell If A Juul Is Charging How Do You Know When The Juul Is Fully Charged How Long Does It Take a