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I read with interest "Coronary calcium may predict death risk" (SN: 9/13/03, p. 174: Coronary calcium may predict death risk). Can you tell me what contributes to these deposits in arteries?

Julie Winslett
Dahlonega, Ga.

It's not ingestion of calcium, at least in people with normal kidney function, says Paolo Raggi of Tulane University in New Orleans. Rather, the condition stems from damage to vessel walls wrought by high blood pressure, high cholesterol, smoking, and other factors.–N. Seppa

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