Independent research has questioned whether these devices are truly smoke-free and whether nicotine levels are as low as tobacco companies claim
Arterial stiffness increased around three-fold in those who were exposed to nicotine containing e-cigarettes compared to the nicotine-free group. Dr Lundbck (MD, PhD), who is a research leader and clinical registrar at the Danderyd University Hospital, Karolinska Institute, in Stockholm, Sweden, and his colleagues recruited 15 young, healthy volunteers to take part in the study in 2016
Njoy grabbed the number three spot, packaged similarly to Blu in rechargeable packs but limited to traditional and menthol flavors
In Japan, IQOS has become a market leader, reflecting the countrys preference for heated tobacco products over traditional cigarettes
As a result, its still too soon to tell whether people who started vaping during the past two decades will develop lung cancer in the future