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"Tank" e-cigarettes are becoming increasingly popular. Heavily stylized and modifiable, they contain a larger cartridge of e-liquid and a battery pack that can be recharged, some by USB.
"Tank" e-cigarettes are becoming increasingly popular. Heavily stylized and modifiable, they contain a larger cartridge of e-liquid and a battery pack that can be recharged, some by USB.

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    Spike in teen e-cigarettes use

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Spike in teen e-cigarettes use

In just one year, the number of teens and tweens who say they've tried e-cigarettes has tripled, according to the CDC. CNN's Elizabeth Cohen reports.

Spike in teen e-cigarettes use

In just one year, the number of teens and tweens who say they've tried e-cigarettes has tripled, according to the CDC. CNN's Elizabeth Cohen reports.