用脑过度会使大脑细胞长期处于兴奋状态而疲劳，导致脑神经细胞由兴奋转入抑制。因此，必须台理用脑，适度休息，积极补充大脑细胞所需的营养物质，才能满足其生理代谢的需要，更好地发挥中枢神经的作用。下列食品具有良好的健脑益智作用。蔬菜类菠菜含有大量叶绿素，是脑细胞 Excessive use of the brain will make the brain cells in long-term state of excitement and fatigue, leading to brain nerve cells into inhibition by excitement. Therefore, we must manage the brain, moderate rest, and actively supplement the nutrients needed for brain cells in order to meet the needs of their physiological metabolism, and better play the role of the central nervous system. The following foods have a good brain puzzle. Vegetable spinach contains large amounts of chlorophyll, is a brain cell