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Supported by the National Institutes of Health, the study also compared the subjects' MRI scans to the baseline scans of 10 non-smokers and non-vapers ranging from 21 to 33 years old. supersizer/Getty
Vaping exposes non-users to particulate matter with a diameter of 2.5 μm, which poses health risks to non-users. [88] E-cigarettes produce propylene glycol aerosols at levels known to cause eye and respiratory irritation to non-users. [148] A 2014 study demonstrated that non-smokers living with vaping device users were exposed to nicotine. [149]
Vaping has an immediate effect on how well the user’s blood vessels work, even if the e-cigarette doesn’t contain nicotine, according to new research.
A 2015 study found that users vaping non-nicotine e-liquid exhibited signs of dependence. [207] Experienced users tend to take longer puffs which may result in higher nicotine intake. [104] It is difficult to assess the impact of nicotine dependence from e-cigarette use because of the wide range of e-cigarette products. [206]
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 toxic substances, although these are either at lower levels than seen in cigarette smoke or at levels ...
Alex Martin, an eye health expert from Eyebot, says vaping may pose serious risks. Research shows that chemicals in vaping can damage the surface of the eye, disrupt tear film quality, harm the ...
Fear exists that wide-scale promotion and use of e-cigarettes, fueled by an increase in the advertising of these products, may carry substantial public health risks. [67] The rise in nicotine-containing products, primarily e-cigarettes, indicates that such products may be thought of as being safer in contrast to traditional cigarettes. [51]
A new review of existing studies pinpoints the most effective strategies that can help a person quit smoking. These include a common anti-nicotine drug, a plant-based drug, and nicotine e-cigarettes.