E-cigarettes, or electronic cigarettes, are battery-operated smoking devices. They often look like cigarettes, but work differently. Using an e-cigarette is called vaping. The user puffs on the mouthpiece of a cartridge. This causes a vaporizer to heat the liquid inside the cartridge. The liquid contains nicotine, flavorings, and other chemicals. The heated liquid turns into the vapor that is inhaled.
Some people think that e-cigarettes are safer than cigarettes, and that they can be used to help people quit smoking. But not much is known about the health risks of using them, or whether they do help people quit smoking. However we do know about some dangers of e-cigarettes:
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- E-Cigarettes (National Library of Medicine)E-cigarettes, or electronic cigarettes, are battery-operated smoking devices. They often look like cigarettes, but work differently. Using an e-cigarette is called ...
- Electronic cigarettes (e-cigarettes), electronic hookahs (e-hookahs), and vape pens allow the user to inhale a vapor ... Belani CP. Guidance on the Clinical Management of Electronic Cigarette or Vaping-Associated Lung Injury. J Thorac Oncol . ...
- ... Some kids have turned to smokeless tobacco or electronic cigarettes . They may think these are ways to dodge ... who chew tobacco are at risk of cancer. Electronic cigarettes, also known as vaping and electronic hookahs, are ...
- Smoking (National Library of Medicine)... much tobacco as an entire pack of cigarettes. E-cigarettes often look like cigarettes, but they work differently. They are battery-operated smoking devices. Using an e-cigarette is called vaping. Researchers still have a lot ...
- ... other serious health problems. What are e-cigarettes? Electronic cigarettes (also called e-cigarettes) contain liquid that usually includes nicotine, flavors (like ...
- ... to not start smoking at all. What About E-Cigarettes and Hookahs? It's not only cigarettes that people ... hooked on. Also beware of vaping . Battery-operated e-cigarettes use cartridges filled with nicotine, flavorings, and other ...
- E-Cigarettes/Learn More ... E-Cigarettes
- secondhand-smoke-and-electronic-cigarette-aerosols (Environmental Protection Agency)E-Cigarettes/Learn More ... E-Cigarettes
- ... into the nose. Vaping is done by using electronic cigarettes (e-cigarettes). Often called "vape pens" or "vapes," these devices ... can be inhaled. Tobacco and the liquid in e-cigarettes contain nicotine (say: NIK-eh-teen), a chemical ...
- NIH researchers are studying the effects of e-cigarettes on teens and adults. ... Cigarettes National Institute on Drug Abuse: Vaping Devices (Electronic Cigarettes) DrugFacts NIH News in Health: The Risks of ...
(March of Dimes Foundation) 
(National Institute on Drug Abuse) 