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Calcium Needs of the Elderly to Reduce Fracture Risk

Robert P. Heaney, MD, FACN

Creighton University, Osteoporosis Research Center, Omaha, Nebraska



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  		Fig. 1. (A) Schematic intake and retention curves for calcium for three life stages. Retention is greater than zero during growth, zero at maturity, and may be negative during involution. (B) The involution curve only. Point B designates an intake below the maximal calcium retention threshold, and point A, an intake above the threshold. Copyright Robert P. Heaney, 1998. Reproduced with permission.

 




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