Gasping for Action A Watchdog Report Lab tests reveal popular e cigarette liquids contain harmful chemicals E Cigarette Brands Are Skirting the Rules About Health Warning Labels on Instagram, Study Finds The Brink Boston University 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 Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders.