饥饿的大脑 人脑里每秒钟要发生10万个化学反应,这需要耗费巨大的能量。事实上,人脑和肌肉运动一样,要消耗许多高浓缩热量。这就是为什么思考和身体锻炼一样让人筋疲力尽的原因。 敏感的鼻子 鼻粘液始终是对付成千上万的细菌的第一道防线。那些在鼻粘液中幸免于难的细菌会被胃酸驱走,吞没或消化。 Hundreds of thousands of chemical reactions occur every second in the brain of a hungry brain, which takes a great deal of energy. In fact, the human brain, like the muscles, consumes a lot of highly concentrated heat. This is why thinking about the same exhausting as physical exercise. Sensitive nose nasal mucus is always the first line of defense against thousands of bacteria. Bacteria that survive the nasal mucus are expelled, swallowed or digested by the stomach acid.