Although blood lead levels(BLLs)in children have significantly decreased compared to two decades ago,incidents of lead poisoning and elevated BLLs among children continue to occur frequently.This trend suggests that C...Although blood lead levels(BLLs)in children have significantly decreased compared to two decades ago,incidents of lead poisoning and elevated BLLs among children continue to occur frequently.This trend suggests that China's current hygienic regulations are not sufficiently effective in managing children's lead exposure.This study analyzed the revision processes of blood lead reference values(BLRVs)in children from various countries,the current BLLs and their changing trends in China,potential sources of lead pollution and exposure,the requirements for managing and protecting children's health,as well as the national measures and strategies for lead emission management and control.The study also explored the necessity and urgency of updating China's BLRVs in children.Based on the specific conditions in China,a proposed BLRV of 50μg/L was deemed more reasonable and was suggested for implementation,with the potential to yield substantial economic benefits through improved IQ outcomes should the updated BLRV be adopted.展开更多
基金supported by the National Key Research and Development Program of China(2022YFC3701303,2022YFC3702604)National Natural Science Foundation of China(41977374)Chinese Academy of Engineering Strategic Research and Consulting Project(2024-XZ-42).
文摘Although blood lead levels(BLLs)in children have significantly decreased compared to two decades ago,incidents of lead poisoning and elevated BLLs among children continue to occur frequently.This trend suggests that China's current hygienic regulations are not sufficiently effective in managing children's lead exposure.This study analyzed the revision processes of blood lead reference values(BLRVs)in children from various countries,the current BLLs and their changing trends in China,potential sources of lead pollution and exposure,the requirements for managing and protecting children's health,as well as the national measures and strategies for lead emission management and control.The study also explored the necessity and urgency of updating China's BLRVs in children.Based on the specific conditions in China,a proposed BLRV of 50μg/L was deemed more reasonable and was suggested for implementation,with the potential to yield substantial economic benefits through improved IQ outcomes should the updated BLRV be adopted.
