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CommonHealth: Sports Drinks Debunked12:31
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The London Olympics begin in just a few days, and that means it's time to tap that Olympic athlete in all of us. That's certainly what the sports drink industry wants you to believe. Work out hard, sweat and then replenish your body.

But there's a problem: those sports drinks probably aren't helping you, and they might even be harming you.

WBUR's Carey Goldberg reported on a new BMJ investigative report that questioned the usefulness of sports drinks and linked their explosion and popularity more to marketing rather than to evidence-based science.

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This segment aired on July 24, 2012.

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