铁是维持人体生命活动的重要元素,是红细胞发挥功能不可缺少的物质。但是近年来的一系列研究表明,铁在体内贮存过多有害无益,有些医学家认为,铁过多对心脏的危害比胆固醇过高更大。 1981年美国沙利文首次报导铁过多是心脏病的危险因素,冠心病发病率的增高与铁贮存增加呈正相关。1986年沙利文等对美国两个 Iron is an important element in the maintenance of human life activities and is an indispensable substance for the function of red blood cells. However, a series of recent studies have shown that excessive storage of iron in the body is harmful and not beneficial. Some medical experts think that too much iron is more harmful to the heart than cholesterol. In 1981, Sullivan reported for the first time that iron overload was a risk factor for heart disease. The increased incidence of coronary heart disease was positively correlated with increased iron storage. Sullivan 1986 and so on the United States two