过度补充水分身体是否一定会轻松?_BEC初级作文

过度补充水分身体是否一定会轻松?

过度补充水分身体是否一定会轻松?1

One of the most serious results of too much water consumption is hyponatremia, a decrease in the blood's sodium level. If more water enters the body than the kidneys can process, the mineral content of the blood decreases and the blood's overall sodium levels drop. When sodium and electrolyte levels drop in the blood, water can escape the blood and enter the cells as the blood and the cells struggle for electrolyte equilibrium. While the swelling of cells because of water is never good, it's particularly dangerous when it occurs in the brain (known as cerebral edema). Since the brain is housed within the skull, with little room to grow, brain cell swelling will lead to brain damage if severe enough. If a person continues to add water to his body, the swelling process will continue and the damage may be irreversible.

低钠血症是过度补水带来最严重的结果，血液中的钠含量会降低。倘若体内吸收的水分超过了肾脏承受范围，血液中的矿物含量将会减少，而整体的钠含量也会骤降。钠离子和电解质含量一旦减少，血液和细胞就会抢争电解质，而水分也会同时脱离血液进入细胞。水肿的细胞对身体绝对无益，若是脑细胞出现水肿更是危险（称为脑水肿）。因为头骨紧密覆盖大脑，其中伸展空间极小，脑细胞若极度肿胀就会导致大脑受损。此时人体若继续补水，细胞也就会持续肿胀，对大脑造成不可逆的损害。

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