Electronic cigarettes: How they work, what's in them and who smokes them

  • by: The Associated Press , Associated Press
  • Updated: April 24, 2014 - 2:00 PM

ELECTRONIC CIGARETTES: The battery-powered devices made of plastic or metal heat a liquid nicotine solution, creating vapor that users inhale. Some models are disposable, and some are designed to be refilled with cartridges or tanks containing what enthusiasts call "e-juice." Some e-cigarettes are made to look like a real cigarette with a tiny light on the tip that glows like the real thing.

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