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An electronic cigarette (e-cigarette), or vape, [note 1] [1] is a device 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] As such, using an e-cigarette is often called "vaping". [3]
An electronic cigarette is a handheld battery-powered vaporizer that simulates smoking, but without tobacco combustion. [1] E-cigarette components include a mouthpiece (drip tip [ 2 ] ), a cartridge (liquid storage area), a heating element / atomizer , a microprocessor , a battery, and some of them have an LED light on the end. [ 3 ]
Juul accounted for over 70% of the US e-cigarette market in 2018 as monitored by Nielsen, [11] [12] but Juul's market share fell to 42% by July 2020, [17] and further to 36% by March 2022. [ 122 ] According to Dow Jones VentureSource, Juul Labs was the sixth-most valuable US startup in July 2018, behind Uber and Airbnb . [ 31 ]
A sign stating: No smoking and vaping within 9 meters of building. In August 2016, a World Health Organization (WHO) report recommended that e-cigarettes be banned in indoor areas or where smoking is prohibited. [1] This is because of their potential for non-users to be exposed to chemicals and e-cigarette aerosol in indoor areas. [2]
An electronic cigarette uses an e-liquid that may contain nicotine (typically derived from the tobacco plant), glycerin, propylene glycol, flavorings, and other ingredients. [8] The device has an electric heat source that heats the e-liquid to create an aerosol that the user inhales. [8] Three components of a heated tobacco product. [9]
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Chart showing various toxicants as measured in cigarette smoke and e-cigarette aerosol [214] Since nicotine-containing e-liquids are made from tobacco they may contain impurities like cotinine, anabasine, anatabine, myosmine and beta-nicotyrine. [10] The health implications of nicotine-related impurities are not known. [148]
The nicotine salts are said to create an experience more like smoking than other e-cigarettes on the market. [20] The e-cigarette is shaped like a USB flash drive [21] and recharges using a magnetic USB deck. [22] Each cartridge (called a Juul pod) contains about the same amount of nicotine as one pack of cigarettes [21] and delivers ...