NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) PDF) A Review of Electronic Cigarette Use Behaviour Studies E Cigarettes are More Addictive than Traditional CigarettesA Study in Highly Educated Young People Easier access to nicotine vaping products likely to improve public health and reduce health system costs, Vapes '95% safer' than cigarettes messaging backfired