May 30, 2011 11:32 PM by CNN
Sports and energy drinks are popular with children and teens, but most kids shouldn't drink them.
That's the message today in the journal of the American Academy of Pediatrics.
The report says kids who want to rehydrate after working out should choose water because sports drinks contain calories they don't need.
However, the authors say sports drinks may be helpful for young athletes who exercise vigorously or for long periods of time.
Energy drinks are not a good choice for children because they contain caffeine and other stimulants that can be dangerous.
Researchers have linked energy drinks to an increase in heart rate and high blood pressure, as well as sleep disturbances and anxiety.
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