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Tank or adjustable e-cigarettes, as well as concentrated nicotine liquids, may deliver nicotine at levels similar to traditional cigarettes. [ 231 ] [ 12 ] [ 85 ] The American Heart Association reported in 2014 that some e-cigarette tank devices with stronger batteries achieve higher temperatures, which may raise nicotine levels. [ 206 ]
There is concern that flavored e-cigarettes could have a similar impact on youth. [14] The extent to which teens are using e-cigarettes may lead to addiction or substance dependence in youth, is unknown. [89] A 2017 review noted that "adolescents experience symptoms of dependence at lower levels of nicotine exposure than adults.
In analyzing 51 different flavored e-cigarettes, author of the study Joseph Allen and his team found at least one of three top toxins — diacetyl, acetoin and 2,3-pentanedione — in 47 of the e ...
Disposable electronic cigarettes, also known as disposable vapes, combine various materials like plastics, metals, and electronic components, which present numerous environmental concerns. These single-use devices, while convenient, add to the growing problem of electronic waste due to their complex composition and the difficulties inherent in ...
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Scott Gottlieb's crusade against teen use of e-cigarettes is not likely to go away.
The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...
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