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食盐不仅是人们饮食中重要的调味品,也是维持人体正常发育不可缺少的物质,其主要成分是氯和钠。氯是胃酸的重要组成部分,钠能促进细胞兴奋。但是,多吃盐也对人体有害。研究结果表明:盐对水有某种吸附力,人体内盐分多了要求水分也相应增加,从而使过多的水分滞留在人体内引起高血压;另外人体内钠离子过多会影响钙、镁离子的平衡,危害心脏。因此,一般成年人每年对盐的摄入量应在3.5千克左右。当人体大量出汗后应及时补充盐分,以保证身体健康。正确食用食盐也是防治碘缺乏病的一种安全、有效、经济、简
Salt is not only an important condiment in people’s diet, but also an indispensable substance for maintaining the normal development of the human body. Its main components are chlorine and sodium. Chlorine is an important part of gastric acid, sodium can promote cell excitement. However, eating more salt is also harmful to the human body. The results show that: salt has some adsorption to water, the body of salt requires a corresponding increase in water, so that excessive water retention in the body cause high blood pressure; the other body of excessive sodium ions can affect calcium and magnesium Ion balance, endangering the heart. Therefore, the average adult annual intake of salt should be about 3.5 kg. When the human body after a large number of sweat should be added salt, in order to ensure good health. Correct consumption of salt is also a safe, effective, economical and simple way to prevent and treat iodine deficiency disorders