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Nicotine-free e-cigarette vapor did not have this effect. [149] The health effects of passive exposure to e-cigarettes with no nicotine, as well as the extent of exposure to these products, have just begun to be studied. [146] E-cigarettes that do not contain nicotine generate hazardous vapors [150] and could still present a risk to non-users ...
An electronic cigarette(e-cigarette), or vape,[note 1][1]is a vaporizerdevice that simulates tobacco smoking. It consists of an atomizer, a power source such as a battery, and a container such as a cartridge or tank. Instead of smoke, the user inhales vapor.[2]
Nicotine is a hygroscopic, colorless to yellow-brown, oily liquid, that is readily soluble in alcohol, ether or light petroleum. It is miscible with water in its neutral amine base form between 60 °C and 210 °C. It is a dibasic nitrogenous base, having K b1 =1×10 −6, K b2 =1×10 −11. [ 163 ]
The synthetic substances - which have a chemical structure similar to that of nicotine - are not subject to U.S. tobacco and vaping regulations that are designed to control traditional nicotin
Nicotine dependence[notes 2] is a state of substance dependence on nicotine. [3] It is a chronic, relapsing disease characterized by a compulsive craving to use the drug despite social consequences, loss of control over drug intake, and the emergence of withdrawal symptoms. [7] Tolerance is another component of drug dependence. [8]
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]
It noted that "E-cigarettes either do not contain or have lower levels of several tobacco-derived harmful and potentially harmful constituents compared with cigarettes and smokeless tobacco. In comparison with NRTs, e-cigarette use has increased at an unprecedented rate, which presents an opportunity for harm reduction if smokers use them as ...
An outbreak of e-cigarette, or vaping, product use-associated lung injury (EVALI) started in 2019 [ 3 ] among users of illegal, unregulated cannabis vaping products, [ 2 ] almost exclusively in the United States. [ 4 ] The first cases of this particular outbreak were identified in Illinois and Wisconsin in April 2019; as of 18 February 2020, a ...