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She jaws at her teammates and pushes the opponent. But the U.S. women's basketball team has come to depend on Diana Taurasi's play and emotional energy.

Never mind the debate between Kobe and Barkley. The U.S. women are the real Dream Team of the London Games, dispatching opponents by an average of 37.6 points a game.

Experts explain how fat -- the dietary kind -- can help you train harder and fend off injuries.

The sweetest news you'll read all day: Chocolate should have a place in your training diet.

Coffee -- and the caffeine it contains -- is, in fact, a proven performance booster.