Sports Nutrition: Benefits of Brown Fat, Caffeine

December 15, 2011
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Ben Greenfield answers your questions on: Drinking carbonated water, will it negatively affect performance?
How should fueling change for freezing-temp bike rides?
Not eating before a marathon unless it's at least 3 hrs prior to a race?
Caffeine intake: What is the proper timing, formulation, dose, duration for endurance performance?
Maltodextrin and glucose in fuel?
And energy drinks: how bad are they, really?
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