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The amount of nicotine stated on the labels of e-liquids can be very different from analyzed samples. [1] Some e-liquids sold as nicotine-free contained nicotine, and some of them were at substantial levels. [47] The analyzed liquids nicotine levels were between 14.8 and 87.2 mg/mL and the actual amount varied from the stated amount by as much ...
Most e-cigarette liquids contain nicotine, but the level of nicotine varies depending on user-preference and manufacturers. [137] Although some e-liquid is nicotine-free, surveys demonstrate that 97% of respondents use products that contain nicotine. [45] About 3.5% of users use liquid without nicotine. [138] An e-cigarette user used ...
[30] [37] A typical e-liquid is composed of propylene glycol and glycerin (95%) and a combination of flavorings, nicotine, and other additives (5%). [38] [39] The flavorings may be natural, artificial, [37] or organic. [40] Over 80 harmful chemicals such as formaldehyde and metallic nanoparticles have been found in e-liquids at trace quantities ...
The nicotine content of Juuls is higher than other e-cigarette brands with its volume of e-liquid containing 5% nicotine, almost double the amount of other brands. Juul pods also contain a substantially greater amount of benzoic acid, 44.8 mg/mL, as compared to other brands, which contain around 0.2 to 2 mg/mL. [110]
Most U.S. teen vapers begin puffing within an hour of waking up, according to a survey of e-cigarette users ages 16 to 19 presented at the Society for Research on Nicotine and Tobacco in March.
The FDA intends to develop product standards around concerns about children's exposure to liquid nicotine. [171] E-liquid exposure whether intentional or unintentional from ingestion, eye contact, or skin contact can cause adverse effects such as seizures, anoxic brain trauma, throwing up, and lactic acidosis. [172]
It also aims to hammer home the message that vaping — even nicotine-free vaping — may not be free of harm, as e-cigarette vaping still exposes users to toxic chemicals, even if they contain ...
A 2016 review of the cardiovascular toxicity of nicotine concluded, "Based on current knowledge, we believe that the cardiovascular risks of nicotine from e-cigarette use in people without cardiovascular disease are quite low. We have concerns that nicotine from e-cigarettes could pose some risk for users with cardiovascular disease." [95]