Probing Question: Are sports drinks better than water for athletes?

After finishing a long run in the heat of a July afternoon, you're thirsty, your muscles are weak, you feel generally fatigued, and you may have a minor headache. Your body is telling you that it needs to be rehydrated, so you grab a bottle of water from the refrigerator. It's cold and refreshing, but how well is that H2O replenishing the nutrients you lost during your workout? According to W. Larry Kenney, Penn State professor of physiology and kinesiology, a bottle of a sports drink like Gatorade may be a better choice.

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