随着工业和交通业的迅速发展,职业接触和环境铅污染所致的慢性铅中毒及铅吸收人数越来越多。目前,WHO 和国内外学者普遍认为饮食和机体营养状况影响人对铅毒的敏感性。饮食中富含钙、磷可减少股骨和肾中的铅蓄积,缺铁可增加铅在胃肠道吸收。为了研讨膳食营养素摄入量与血铅 With the rapid development of industry and transportation, there is an increasing number of chronic lead poisoning and lead absorption due to occupational exposure and environmental lead pollution. At present, WHO and domestic and foreign scholars generally believe that diet and body nutrition affect people’s sensitivity to lead poisoning. Diet rich in calcium, phosphorus can reduce the accumulation of lead in the femur and kidney, iron deficiency can increase the absorption of lead in the gastrointestinal tract. In order to study dietary nutrient intake and blood lead