Many people vape because they believe vaping is safer than smoking. Most users are trying to quit smoking, but a large proportion of use is recreational or as an attempt to get around smoke-free laws. There are varied reasons for e-cigarette use. Motivation Reasons for initiating e-cigarette use in the European Union, in a 2018 Eurobarometer poll E-cigarette use is highest in China, the US, and Europe, with China having the most users. This increase has been attributed to targeted marketing, lower cost compared to conventional cigarettes, and the better safety profile of e-cigarettes compared to tobacco. There was a further rise to 82 million e-cigarette users in 2021. In 2011 there were about 7 million adult e-cigarette users globally, increasing to 68 million in 2020 compared with 1.1 billion cigarette smokers. Since entering the market around 2003, e-cigarette use has risen rapidly. Main article: Usage of electronic cigarettes Popularity Estimated trends in the global number of vapers European Union standards are published in the EU Tobacco Products Directive. In the US, there are Food and Drug Administration (FDA) compulsory manufacturing standards and American E-liquid Manufacturing Standards Association (AEMSA) recommended manufacturing standards. Most countries regulate what e-liquids can contain. There are many e-liquid manufacturers, and more than 15,000 flavors. Over 80 harmful chemicals such as formaldehyde and metallic nanoparticles have been found in e-liquids at trace quantities. The flavorings may be natural, artificial, or organic. A typical e-liquid is composed of propylene glycol and glycerin (95%) and a combination of flavorings, nicotine, and other additives (5%). The mixture used in vapor products such as e-cigarettes is called e-liquid.
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There are also pod mod devices that use protonated nicotine, rather than free-base nicotine found in earlier generations, providing higher nicotine yields. The fourth-generation includes sub-ohm tanks (meaning they have electrical resistance of less than 1 ohm) and temperature control.
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Third-generation devices include mechanical mods and variable voltage devices. Second-generation devices are larger and look less like traditional cigarettes. First-generation e-cigarettes tend to look like traditional cigarettes and are called "cigalikes". This model allows for a wide range of settings.Īn electronic cigarette consists of an atomizer, a power source such as a battery, and a container for e-liquid such as a cartridge or tank.Į-cigarettes have evolved over time, and the different designs are classified in generations. Main article: Construction of electronic cigarettes An exploded view of an e-cigarette with transparent clearomizer and changeable dual-coil head. For those trying to quit smoking without medical help, it is not clear whether e-cigarettes raise quit rates because the evidence is of poor quality.
įor people trying to quit smoking, e-cigarette use alongside prescribed nicotine replacement therapy (NRT) leads to a higher quit rate. E-cigarettes have not been used widely enough or for long enough to be sure.
Scientists do not know how harmful e-cigarettes are over the long-term because it is hard to separate the effects of vaping from the effects of smoking when so many people both vape and smoke. Users become physically and psychologically dependent. It contains traces of harmful substances not found in cigarette smoke. E-cigarette vapor contains fewer toxins than cigarette smoke. Vaping is likely far less harmful than smoking, but still harmful. Its exact composition varies, and depends on several things including user behavior. The vapor mainly comprises propylene glycol and/or glycerin, usually with nicotine and flavoring. Some look like traditional cigarettes, and most kinds are reusable. E-cigarettes are activated by taking a puff or pressing a button. The atomizer is a heating element that vaporizes a liquid solution called e-liquid, which quickly cools into an aerosol of tiny droplets, vapor and air. As such, using an e-cigarette is often called " vaping". Instead of smoke, the user inhales vapor. It consists of an atomizer, a power source such as a battery, and a container such as a cartridge or tank. Not to be confused with Heated tobacco product or Vaporizer (inhalation device).Ī first-generation e-cigarette that resembles a tobacco cigarette, with a battery portion that can be disconnected and recharged using the USB power charger Various types of e-cigarettes, including a disposable e-cigarette, a rechargeable e-cigarette, a medium-size tank device, large-size tank devices, an e-cigar, and an e-pipe Newer-generation e-cigarettesĪn electronic cigarette is an electronic device that simulates tobacco smoking.
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