美国早就制定出儿童血液中铅的最高含量,认为超过此标准,血铅就会对儿童造成危害。但辛辛那提医疗中心所属儿童医院的最新研究发现,这个标准还是太高,建议进一步调低健康的血铅标准。主要研究人员布鲁斯·兰费尔在不久前举行的美国儿科学术年会上宣布了有关成果。 美国目前规定儿童血铅浓度应低于每升100 mg。而研究人员发现,即使符合这个标准,铅对儿童的毒 The United States has long established the highest levels of lead in children’s blood, that exceeds this standard, lead in blood will be harmful to children. However, a new study by Children’s Hospital affiliated with the Cincinnati Medical Center found that the standard is still too high and suggests further lowering the healthy blood lead standard. Bruce Ranfeld, principal investigator, announced the results at the recent annual meeting of the American Academy of Pediatrics. The United States currently requires children’s blood lead levels should be less than 100 mg per liter. And researchers found that even if this standard is met, lead poisoning to children