As Vaping Devices Evolve, New Potential Hazards Scrutinized Vaping safer than smoking so why are people struggling to quit e cigarettes? Vaping The Guardian Vaping: emerging harms health systems can't ignore Purdue researchers investigate the effects of vaping on oral and lung health News College of Health and Human Sciences Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. Vaping water: Is it a safe alternative to traditional e liquid?