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近年来,虽然很多国家广泛应用了铁强化食物,缺铁性贫血仍是最多见的血液病,尤其6～24个月龄婴儿发病率最高,美国达24％,缺铁(包括无贫血者)者达68％,经济生活水平较低的发展中国家的发病率更高,如智利、印尼、泰国缺铁性贫血发病率为30～90％。我国7岁以下小儿高达25～65％。缺铁不仅影响胃肠功能、皮肤粘膜肌肉功能,而且影响一系列含铁酶和铁依赖酶的活性,影影DNA合成以及行为和智能的发育。预防缺铁是保健工作者以及全社会的重要职责。
In recent years, although iron-fortified foods are widely used in many countries, iron deficiency anemia is still the most common blood disease, especially in infants aged 6-24 months, with 24% in the United States and iron deficiency (including those without anemia) The incidence of iron deficiency anemia in Chile, Indonesia and Thailand is 30-90%. China’s children under the age of 7 up to 25 ~ 65%. Iron deficiency affects not only gastrointestinal function, mucocutaneous muscle function but also the activity of a range of ferri- and iron-dependent enzymes, shadow DNA synthesis, and behavioral and intellectual development. Prevention of iron deficiency is an important responsibility of health workers and the whole society.