Since the rise of vaping as an alternative to cigarette smoking, researchers have been divided as to whether it is safer, or more dangerous as a smoking cessation tool. The majority of recent studies have leaned toward the latter, and the latest paper on the topic comes with a similarly dire warning — e-cigarette vapor might contain toxic levels of lead and other dangerous metals.
On Thursday, a team of researchers from the Johns Hopkins Bloomberg School of Public Health published a study in the journal Environmental Health Perspectives, which analyzed the mods, or vaping devices, used by a total of 56 e-cigarette smokers. Although only a small number of participants took part in the study, the researchers discovered that the e-cigarette vapor from many of the devices contained aerosols with high levels of lead, chromium, manganese, nickel, and other metals.
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