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E-Cigarettes: What the Research Shows

Next Steps

Because there are so many unknowns about the possible health risks of e-cigarettes, the FDA is looking to regulate these products as it does tobacco cigarettes and smokeless tobacco products. It's not clear when these proposed regulations would go into effect.

Siegel says regulation is a good idea, because it will encourage more studies into the health effects of e-cigarettes. "I think with research we'll be able to find a way of delivering nicotine that's as safe as possible," he says. 

For now, a lot of unanswered questions remain about electronic cigarettes, Goniewicz says. And though they are a safer option than regular cigarettes if you're a smoker trying to quit, they're not necessarily risk-free.

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