Vaping might be more dangerous than smoking New York Post Don't huff and puff E cigs on campus. The Mast Vaping E Cigarette Health Risks: What's the Latest? Dana Farber Cancer Institute Are vape pens 'healthier' than cigarettes? Live Science Another Gross Reason to Put Down the E Cigarettes American Lung Association E cigarettes can produce more formaldehyde than regular cigarettes, study says Los Angeles Times