E Cigarettes and Vaping OHSU While vaping is not risk free, it is less harmful than tobacco Our World in Data Resources & Publications Electronic Cigarettes Smoking & Tobacco Use CDC Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts 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. E Cigarette effects on oral health: A molecular perspective ScienceDirect