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人的大脑重量只有1400克左右,却要消耗所吸收营养的20％,脑力劳动者的大脑营养消耗更大,如不能合理地补充必要的营养,不但会使人精神疲乏,而且可引起神经衰弱。优质蛋白质的摄入对保护脑力至关重要。人的智力活动需要大量活性化学物质参与,如乙酰胆碱、去甲肾上腺素、多巴胺、5-羟色胺及各种氨基酸等,它们不能在体内自然合成,必须从外界食物的蛋白质中摄取。
Only about 1400 grams of human brain weight, but to consume 20% of absorbed nutrients, brain workers mental nutrition more consumption, if not properly supplemented with the necessary nutrients, not only mental fatigue, but also can cause neurasthenia . High-quality protein intake is crucial to your brain. People’s intellectual activities require a large number of active chemical substances involved, such as acetylcholine, norepinephrine, dopamine, serotonin and a variety of amino acids, they can not be naturally synthesized in the body, must be taken from the protein of the outside world.