Vaping Impairs Vascular Function, Even Without Nicotine, Study Finds How Vaping Affects Dental Health and Why It Is Not a Healthy Alternative to Smoking Are e cigarettes a 'gateway' to teen smoking? A new study investigates Los Angeles Times WHAT'S THE DIFFERENCE BETWEEN SMOKE AND VAPOR? Vape Domain More evidence shows vaping helps people quit smoking Daily News 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.