补足碳水化合物　脑是机体一切活动的控制中心 ,需要有充足的能量支持其活动。人脑几乎完全依赖血中葡萄糖氧化供应能量 ,每日约需 116～ 145克的葡萄糖。如果血糖降低 ,脑的耗氧量也下降 ,轻者感到疲倦 ,重者会发生低血糖反应。血糖由碳水化合物而来 ,故脑力劳动者应使自己摄 Make up the carbohydrate brain is the control center of all the body’s activities, need sufficient energy to support its activities. The human brain relies almost exclusively on the energy of glucose in the blood to supply energy, about 116 to 145 grams of glucose a day. If blood glucose is reduced, the brain’s oxygen consumption also decreased, the light felt tired, severe hypoglycemia occurs. Blood sugar from carbohydrates, so mental workers should make their own photo