More than just hot air? Whether e-cigarettes are a good idea remains a question

The electronic cigarette consists of a battery on the bottom and a bottom-coiled tank on top. Electronic cigarettes are growing in popularity, but concern still lingers nationwide about their safety. e-Cig culture includes “vaping” meet-ups and an array of build-your-own products. (Diedra Laird/Charlotte Observer/MCT)

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