Electronic cigarettes' popularity and safety concerns on the rise

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Electronic cigarettes' popularity and safety concerns on the rise

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Electronic cigarettes' popularity and safety concerns on the rise

by CBSTV Videos 4:49 mins

Electronic cigarettes' popularity and safety concerns on the rise

by CBSTV Videos 4:49 mins

The popularity of electronic cigarettes is raising questions about how safe they actually are. Jeff Glor reports.

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