Vaping's Hidden Dangers: New Study Links E Cigarettes to DNA Changes Vaping substantially less harmful than smoking, largest review of its kind finds King's College London E cigarette use is linked to higher heart attack risk, especially in former smokers Explainer: More teens are vaping. This is why that's a concern. College of Public Health UGA How Safe Is Vaping? The Fort Collins Dentist FDA OKs First Vaping Products as Smoking Cessation Aids RT