A significant and independent inverse association was observed between dietary calcium intake, estimated from dietary recall data, and blood lead concentrations in this large, stratified, national probability sample. ... Lead impairs normal calcium homeostasis in cells, which is essential for normal cell function by competing with calcium for uptake by calcium channels. ... This is probably one of the mechanisms by which lead interacts with calcium in the intestine; the less calcium in diet the more lead that is absorbed. ... Probably the most critical interaction between lead and calcium occu...

• Word Count: 1554
• Approx Pages: 6
• Grade Level: Undergraduate