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The health effects of electronic cigarettes (e-cigarettes) include a range of potential risks such as exposure to toxic chemicals, the possibility of increased likelihood of respiratory and cardiovascular diseases, and concerns about their possible role in cancer development. Upon their introduction, there were marketing claims that they were a ...
The health risks of e-cigarettes are not known for certain, but the risk of serious adverse events is thought to be low, [96] [18] and e-cigarettes are likely safer than combusted tobacco products. [note 5] [91] [98] However, this does not mean that e-cigarettes are harmless.
Vaping-associated pulmonary injury ( VAPI ), [ 4] also known as vaping-associated lung injury ( VALI) [ 1] or e-cigarette, or vaping, product use associated lung injury ( E/VALI ), [ 2][ a] is an umbrella term, [ 15][ 16] used to describe lung diseases associated with the use of vaping products that can be severe and life-threatening. [ 3]
"Our study adds to existing evidence showing that e-cigarettes and NRT are far safer than smoking, and suggests that there is a very low risk associated with their long-term use," said lead author ...
"Even though we don't know the exact number of e-cigarettes one should take, not to mention that many of the carcinogenic effects are cumulative, I don't think there is a safe margin," Chung added.
The health effects of long-term nicotine use is unknown. [18] It may be decades before the long-term health effects of nicotine e-cigarette aerosol inhalation is known. [19] Short-term nicotine use excites the autonomic ganglia nerves and autonomic nerves, but chronic use seems to induce negative effects on endothelial cells. [20]
For example, the FDA reported that the potential health risks of using e-cigarettes are unclear. [41] In 2015 the English National Health Service advice page on smoking said "E-cigarettes are not risk free, but on current evidence they carry a fraction of the risk of smoked tobacco. As well as nicotine, e-cigarette liquid and vapour can contain ...
Teens are more likely to use e-cigarettes than cigarettes. About 31% of teenagers who use e-cigs started smoking within six months, compared to 8% of non-smokers. Manufacturers do not have to report what is in e-cigs, and most teens either say e-cigs contain only flavoring, or that they do not know what they contain. [289] [290]
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