Study finds e-cigarettes affect airways, and quickly

The electronic cigarettes marketed as a safer alternative to the real thing produce immediate changes in users' airways, a small study suggests.
Researchers in Greece saw changes in the lung function of healthy smokers who puffed on an e-cigarette for just five minutes -- although it's not clear what the long-term result of those responses might be in regular e-cigarette users, the team reports in the journal Chest.
"E-cigarettes" are battery-powered devices that allow users to inhale a vaporized liquid nicotine solution instead of tobacco smoke. They were designed as a way for smokers to get their nicotine fix without exposing themselves, or other people, to the toxins in tobacco smoke.

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