铁是人体必不可少的营养元素,前些年在美国甚至掀起了一阵“吃铁热”——人们为增进健康,纷纷大吃菠菜、动物肝脏、牛羊肉等富含铁质的食品,连中国铁锅也一时成为抢手货,媒体也在津津乐道大讲铁剂的功劳。然而物极必反,一些人出现了慢性肚子疼、关节酸痛、疲乏 Iron is an essential nutritional element of the human body. A few years ago in the United States, it even set off a “hot iron” diet - people often eat spinach, animal liver, beef and mutton, and other iron-rich foods to enhance their health. Chinese wok also became a hitched bar nowadays, the media also relish talked about ironwork credit. However, things are very negative, some people have a chronic stomach ache, joint pain, fatigue