electronic cigarettes

electronic cigarettes. An electronic cigarette is a handheld battery-powered vaporizer that simulates smoking by producing an aerosol, often called vapor. The user inhales this aerosol, which typically contains nicotine, flavorings, and other chemicals. The device is designed to provide a sensation similar to inhaling tobacco smoke, but without the combustion of tobacco.

History and development

The first commercially successful electronic cigarette was invented in Beijing by Hon Lik, a Chinese pharmacist, and introduced to the Chinese market in 2003 through the company Ruyan. The invention was partly motivated by Lik's father, who died of lung cancer. Early devices were designed to resemble traditional cigarettes, a style now often called "cigalikes". The technology gained international attention after being exhibited at the 2006 FIME trade show in Florida. Subsequent development, particularly in the United States and Europe, saw the rise of larger, more powerful modular devices, often called "vape mods" or "tank systems". The World Health Organization began monitoring their use in 2008. The industry saw rapid growth with the founding of companies like Juul Labs in San Francisco, which popularized nicotine salt-based liquids.

Design and operation

A typical device consists of a lithium-ion battery, a heating element (often called an atomizer or coil), and a reservoir or cartridge for the e-liquid. The e-liquid, sometimes called "vape juice", is a solution primarily composed of propylene glycol, vegetable glycerin, flavorings, and often nicotine. When the user activates the device, the battery powers the coil, which heats the liquid to create an aerosol. Designs range from disposable cigalikes to advanced personal vaporizers with refillable tanks and variable voltage controls. Brands like Smoktech and Innokin are known for complex mods. The Food and Drug Administration has established manufacturing standards for these components. The sensory experience is often enhanced by flavors ranging from menthol to fruit and dessert profiles.

Health effects and safety

The health impacts remain a major area of scientific and public health debate. Public health authorities like the Centers for Disease Control and Prevention and Public Health England have issued differing assessments. While generally considered less harmful than combustible tobacco cigarettes, the aerosol is not harmless and can contain harmful substances such as formaldehyde, acrolein, and ultrafine particles. Notable incidents include the 2019 outbreak of E-cigarette, or Vaping, product use-Associated Lung Injury (EVALI) in the United States, which was largely linked to vitamin E acetate in tetrahydrocannabinol-containing products. Long-term studies are ongoing, with organizations like the American Heart Association and the American Lung Association expressing concern about cardiovascular and respiratory risks, particularly for youth.

Regulation and legal status

The regulatory landscape varies dramatically by country and region. In the United States, the Food and Drug Administration gained regulatory authority over these products under the 2016 Deeming Rule. The European Union regulates them under the Tobacco Products Directive. Some nations, like Brazil and India, have implemented comprehensive bans, while others, such as the United Kingdom, have incorporated them into state-sanctioned smoking cessation services. Key legal battles have involved marketing claims and flavor bans, with significant cases heard in the U.S. Court of Appeals for the D.C. Circuit. The World Health Organization's Framework Convention on Tobacco Control has addressed them in several conference of the parties meetings.

Society and culture

Use has spawned distinct subcultures, including "cloud chasing" competitions at events like the Vape Expo. The technology has been featured in media, from music videos by artists like Katy Perry to films such as *John Wick*. Its role in smoking cessation is heavily promoted by industry groups like the UK Vaping Industry Association but remains controversial among public health bodies. High-profile incidents, such as the FDA's scrutiny of Juul Labs and its marketing practices, have fueled extensive media coverage in outlets like *The Wall Street Journal*. The prevalence of use among adolescents has prompted campaigns from entities like the Truth Initiative and legislative actions, such as the federal Tobacco 21 law in the United States.

Category:Smoking