Myth: It's just water vapor. Fact: Vape aerosol can expose your lungs to chemicals and metals not just harmless vapor. Don't fall for the myth. Your health matters. #MythVsFact #VapeTruth # Dripping, dabbing, and bongs: Can't tell the players without a scorecard MDedge Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Did you know that that the vapor produced from vapes and e cigarettes is actually aerosol not water mist. Vape aerosol contains harmful substances that are not healthy and safe for our lungs, such what is in vape juice