These devices are usually used by experienced vapers, some of whom participate in competitions involving blowing smoke into various shapes and sizes
Because vaping and hookah devices are used differently than traditional cigarettes, we need to consider diseases of both the nose and lungs to evaluate their safety before judging whether one is more risky than another, says study senior author Terry Gordon, PhD, a professor in the Department of Medicine
Retrieved 18 December 2018
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So, is Vaping Really Better than Smoking
However, the observed associations between vaping and subsequent cigarette smoking do not necessarily indicate a causal "gateway effect", as shared social, behavioral, or genetic risk factors may contribute to both behaviors