E-cigarettes are gaining popularity, but in today's Smart Woman report we're learning they may not be as safe as they claim to be.
You see people doing it in stores, sporting events, maybe even at work.
Thousands of Oklahomans are trading smoke for vapor with electronic cigarettes.
They're marketed as safe. But how do we know?
Craig Day takes a look at the health concerns and the potentially dangerous habit in today's Smart Woman report.
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