日常生活中离不开食盐。因为,吃盐不单是调味,也是人体的生理需要。如果人体得不到足够的盐,便会生病,心脏没有它,就会影响正常的跳动,胃里少了它,就会使胃酸缺乏而消化不良、食欲不振。长期不吃盐,人就会头重脚轻、全身无力。医学上叫做“失盐症”。同时,为预防碘缺乏性疾病,食盐中还加入了碘。 Daily life can not do without salt. Because, salt is not only seasoning, but also the physiological needs of the human body. If the body can not get enough salt, it will get sick, the heart without it, it will affect the normal beating, less stomach, it will make the stomach acid deficiency and indigestion, loss of appetite. Long-term do not eat salt, people will top-heavy, weakness. Medically called “loss of salt disease ”. At the same time, to prevent iodine deficiency disease, salt also added iodine.