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Susan M. Bernard, JD, DrPH, MPH

Correspondence: Requests for reprints should be sent to Susan M. Bernard, JD, DrPH, MPH, c/o Johns Hopkins Bloombery School of Public Health, 615 N Wolfe St, Suite 7041, Baltimore, MD 21205 (e-mail: smbernard@verizon.net).

	Because this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

I appreciate the comments by Needleman and Landrigan and by Brown and Meehan, and I thank them for their valuable contributions to the field of childhood lead poisoning prevention.

Needleman and Landrigan describe recent research identifying adverse effects of lead exposure resulting in childhood blood lead levels (BLLs) below 10 µg/dL. This research is also noted in my article, in which I stressed the importance of continuing epidemiological and toxicological studies in this area. I also set forth there the history of the Centers for Disease Control and Prevention’s (CDC’s) intervention level over the 20th century.

The question I addressed . . . [Full Text]