期刊
NEUROTOXICOLOGY
卷 27, 期 5, 页码 693-701出版社
ELSEVIER
DOI: 10.1016/j.neuro.2006.06.008
关键词
lead; children; ethics; CDC; regulation; earnings; assays
资金
- NIEHS NIH HHS [ES 01247, P30 ES001247, R01 ES013247, R01 ES013247-03, ES 013247] Funding Source: Medline
Fifteen years ago, in 1991, the U.S. Centers for Disease Control and Prevention (CDC) established 10 mu g/dL as the lowest level of concern for children's blood lead levels. This value is extremely important because, historically, policy makers and public health officials generally have acted to remove sources of lead exposure only after the CDC's level of concern had been exceeded. A growing body of evidence, however, reveals that blood lead levels below 10 mu g/dL may impair neurobehavioral development. There is now sufficient and compelling scientific evidence for the CDC to lower the blood lead action level in children. This review argues that a level of 2 mu g/dL is a useful and feasible replacement. Although it can be argued, in turn, that no threshold for the health effects of lead is demonstrable, analytically a blood level of 2 mu g/dL is readily and accurately measured and provides a benchmark for successful prevention. Lowering the level of concern would encourage and accelerate the investments needed to ensure that children are protected from lead exposure in their homes, schools, and play settings. Such a program would also offer economic advantages because of the coupling between lead, educational attainment, earnings and anti-social conduct. By lowering the blood action level, CDC will promote policies and initiatives designed to further reduce children's exposure to this potent developmental neurotoxicant. (C) 2006 Elsevier Inc. All rights reserved.
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