Vapes vs Cigarettes: Which One is More Deadly? Atlus Map reveals the UK's dodgy vape hotspots where illegal e cigs 'contain harmful chemicals' as 1.2million seized While vaping is not risk free, it is less harmful than tobacco Our World in Data Office of Student Affairs, IBA One puff can lead to long term consequences. Vaping is often marketed as harmless, but it can affect your lungs, heart, focus, and Instagram NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) Vuse ePods VapingStory