随着生活水平的提高 ,人们的食物品种发生了改变。糖类、蛋白质、脂肪的供应大大超标 ,而无机盐、维生素的供应却未得到满足。因此农村的肥胖症、粗皮症、心脑血管病大量发生 ,儿童的无机盐缺乏症频频涌现。于是各种保健品纷纷上市。其实 ,这些都是大可不必的 ,人们只要注意一 With the improvement of living standards, people’s food varieties have changed. The supply of carbohydrates, protein and fat is greatly exceeded, while the supply of inorganic salts and vitamins is not yet satisfied. Therefore, obesity, cirrhosis and cardiovascular and cerebrovascular diseases occur in rural areas in large numbers, and child-born inorganic salt deficiency frequently occurs. So a variety of health products have been listed. In fact, these are all unnecessary, people just pay attention to one