铅对儿童健康的潜在危害,近年来日益引起人们的关注。儿童的代谢功能尚未完善,解毒功能也未发育到能够应付进入体内的某些毒物的完善程度,保护敏感组织的生理屏障(如血脑屏障)成熟较晚,中枢神经系统也比较脆弱。因此,儿童对铅的敏感性比成人要高。铅在小儿肠道较易被吸收,一般 The potential hazards of lead to children’s health have drawn increasing attention in recent years. Children’s metabolic function is not yet perfect, detoxification function is not developed to be able to cope with some of the poison into the body to improve the degree of protection of sensitive tissues, physiological barriers (such as the blood-brain barrier) mature later, the central nervous system is also more vulnerable. As a result, children are more susceptible to lead than adults. Lead in children’s intestinal tract easier to be absorbed, in general