Vaping e-cigarettes leads to early signs of lung disease in young adults University of Alberta Impairment to lungs, heart linked to vaping: U of A study CTV News Vaping causes lung and heart damage faster than cigarettes, U of A research suggests Global News Vapes alter genes, flavored versions do the most damage: Study NewsNation E-cigarette flavor and device type play a key role in vaping-related molecular changes, study finds Keck School of Medicine of USC