The rate of absorption of carbohydrates from the digestive system can play an important role in performance during long-duration exercise such as a marathon race.

Question

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During long-duration exercise like a marathon, the body relies on carbohydrates as a primary source of energy. The rate of carbohydrate absorption from the digestive system can influence energy availability and thus performance.

The Rate of Absorption of Carbohydrates from the Digestive System