Vaping refers to the use of e-cigarettes, or vaporizers, often as an alternative to traditional cigarettes. Read the overview below to gain an understanding of vaping and explore the previews of other articles examining health concerns and other aspects of vaping.

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Vaping Topic Overview

Nurmi, Deborah L. "Vaping." Gale Health and Wellness Online Collection, Gale, 2021. 

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Vaping is inhaling the steam or vapor created by any type of electronic "smoking" device. The vapor may contain nicotine as well as other substances, flavors, and chemicals.

In 2018, researchers estimated that nearly 10.8 million people in the United States were vaping. According to the Centers for Disease Control and Prevention (CDC), 3.6 million of the people vaping were middle and high school students. In 2014, vaping became the most common form of tobacco use among people under 25 years of age. While e-cigarettes may be an effective way to stop smoking traditional cigarettes, the CDC states that vaping is unsafe for youth, young adults, pregnant women, or adults who do not currently use tobacco products.

Vaping began in 2007 with the introduction of the first electronic cigarette (e-cigarette) as a form of smoking cessation therapy. These e-cigarettes were available by prescription only, and several brands remain a popular prescription option to help quit smoking cigarettes.

The first e-cigarette was patented in 1965. In 2007, Chinese manufacturer Hon Lik introduced the first version of modern e-cigarettes. As of 2019 there were over 460 different brands on the market and thousands of blends of vaping liquids created by local vaping shops.


How e-cigarettes work

There are many ways to vape, but all the instruments have the same basic components and work in the same way: they heat a liquid until it becomes a vapor or aerosol that a person can inhale.

The parts of any vaping machine include:

  • A mouthpiece, the part you put in your mouth. This is also the part that holds the vaping liquid, which may include flavors, nicotine, and other additives. A small piece of absorbent material is saturated with the vaping liquid. That material is then placed in a small cup and inserted into the mouthpiece.
  • An atomizer. This is a tiny heating element, usually a metal coil, that heats up, turning the vaping liquid into a fine mist that can be inhaled. Many vaping implements have a cartomizer or clearomizer, which is an atomizer and a cup or cartridge for the vaping juice in one component.
  • A battery. The battery provides power to the heating element in the atomizer. The battery is usually a rechargeable lithium-ion battery. This is the part of an e-cigarette that can explode or catch fire.
  • A sensor. When you inhale through the mouthpiece, the sensor activates the heater. Most e-cigarettes have a small light to let you know when the element has been activated.
  • A solution. This liquid or juice contains ingredients such as nicotine and flavors. Most vaping liquids also contain a base liquid called propylene glycol to help turn the liquid into an aerosol that can be inhaled.


Is vaping safe?

According to CDC, most e-cigarettes produce fewer toxic chemicals than regular cigarettes, which contain over 7,000 chemicals, and for this reason, e-cigarettes may be an effective way to stop smoking conventional cigarettes. However, vaping aerosol has risks, too. The inhaled vapor usually includes nicotine and other chemicals such as carbonyl compounds, volatile organic compounds (VOCs), solvents, heavy metals, and cancer-causing agents. In fact, the liquid for e-cigarettes can cause nicotine poisoning and even death if swallowed.

The surgeon general of the United States reports that vaping has risks, especially for younger people. A 2014 report from the Office of the Surgeon General noted risks from vaping, including:

  • Nicotine exposure. Nicotine can harm a developing brain, affecting learning, memory, and attention. The human brain is not fully developed until around the age of 25.
  • Higher risk for addiction. Using any form of nicotine, which is highly addictive, during adolescence increases the risk of addiction to other substances.
  • Harm from toxic ingredients. The aerosol from e-cigarettes in any form contains substances such as heavy metals that may harm not only those who are using the device, but those exposed to the second-hand vapor.
  • Increased likelihood of smoking traditional cigarettes. For those who do not already smoke traditional cigarettes, vaping is associated with a higher risk of using combustible tobacco products.

In 2019, eight people died in the United States from vaping, and more than 500 people who used various forms of vaping, primarily adolescents and young adults, from at least 15 states were hospitalized with lung injuries. Most patients tested negative for respiratory illness, and all patients used vaping products. The CDC is investigating the cause of the lung injuries, illnesses, and deaths, but it has not yet been identified. Several retailers suspended the sale of vaping products, and lawmakers considered tighter regulations for vaping.


Terms for vaping

Vaping, and the appliances used for vaping, go by many names:

  • e-cigs
  • e-hookahs
  •  electronic nicotine delivery systems (ENDS) JUULing
  • mods
  • tank systems vape pens vapes
  • vape sticks


Is vaping regulated?

When first introduced, e-cigarettes required a prescription to purchase and were unavailable to minors; however, since 2007, when a consumer version was introduced, vaping became a cottage industry with shops that mix their own blends of vaping liquids. Many of these products included flavors, packaging, and styles specifically designed to appeal to teens and children. But because e-cigarettes do not use actual tobacco, the FDA had limited power to manage sales.

In 2016, the Food and Drug Administration passed new rules that add vaping liquids and vaping products to the regulations for tobacco products. Called "Deeming Regulations," these rules require anyone who mixes vaping liquids or makes or modifies vaping equipment to follow the same rules as other tobacco manufacturers and retailers. They must receive approval from the FDA before they can make or sell liquid or devices that deliver nicotine. These rules will be fully implemented in 2022.

Although vaping and e-cigarettes began as a way to stop smoking traditional cigarettes, and was available only by prescription to adults, the introduction in 2007 of modern e-cigarettes made vaping inexpensive and easily available. Several studies have found that, rather than replacing combustible cigarettes, vapes have been added to many people's smoking habits, with many smokers using both. For young people, vaping has been found to pose serious risks such as addiction, exposure to toxic ingredients, and a much higher likelihood of smoking traditional cigarettes. For these and other reasons, both the CDC and the surgeon general recommend that people under the age of 25 avoid vaping and vaping products.




"5 Vaping Facts You Need to Know." Johns Hopkins Medicine. truths-you-need-to-know-about-vaping (accessed August 14, 2019).

"CDC, states investigating severe pulmonary disease among people who use e-cigarettes." August 17, 2019 (accessed August 20, 2019).

"CDC Urges Clinicians to Report Possible Cases of Unexplained Vaping-associated Pulmonary Illness to their State/Local Health Department." Centers for Disease Control and Prevention. August 2, 2019. (accessed August 10, 2019).

"E-Cigarette Use Among Youth and Young Adults: A Report of the Surgeon General Executive Summary." Centers for Disease Control and Prevention. 2016. (accessed August 17, 2019).

"E-Cigarettes." MedlinePlus. September 9, 2019. (accessed September 24, 2019).

"Electronic Cigarettes." Centers for Disease Control and Prevention. March 11, 2019. (accessed August 12, 2019).

"FDA Deeming Regulations." U.S. Food and Drug Administration. June 11, 2019. regulations-and-guidance/fdas-deeming-regulations-e-cigarettes-cigars-and-all-other-tobacco-products (accessed August 12, 2019).

"Surgeon General’s Advisory on E-cigarette Use Among Youth." Office of the Surgeon General. https://e- (accessed August 20, 2019).



American Cancer Society,   250 Williams St. NW,   Atlanta,   GA,   30303, 800-227-2345,

American Lung Association,   55 W. Wacker Dr., Ste. 1150 ,   Chicago,   IL,   60601,   800-LUNGUSA (586-4872),   [email protected],


Source Citation (MLA 9th Edition)

Nurmi, Deborah L. "Vaping." Gale Health and Wellness Online Collection, Gale, 2021. Gale Health and Wellness, Accessed 23 June 2022.

Gale Document Number: GALE|OCBFPC663943285

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Illnesses and Deaths in the United States Related to Vaping, CDC Totals as of early October 2019

"Illnesses and Deaths in the United States Related to Vaping, CDC Totals as of early October 2019." Gale Opposing Viewpoints Online Collection, Gale, 2019, Tribune Content Agency Graphics, 2019.

Vaping fast facts


Based on data from the Centers for Disease Control and Prevention (CDC), this map highlights in orange those states that had seen at least one vaping-related death and, in blue, those states that had recorded cases of vaping-related illness, as of October 1, 2019. Just days later, by October 8, 2019, the total number of deaths attributable to vaping had risen to 26, and a new total of almost 1,300 cases of vaping-related lung injury had been reported to the CDC.
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"Illnesses and Deaths in the United States Related to Vaping, CDC Totals as of early October 2019." Gale Opposing Viewpoints Online Collection, Gale, 2019, Tribune Content Agency Graphics, 2019.

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