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F. Michael Gloth III, MD
Union Memorial Hospital

Jordan D. Tobin, MD
National Institute on Aging Baltimore, Md

JAMA. 1996;275(11):839.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In Reply.

—We appreciate the interest in our work and the opportunity to respond to the thoughtful comments of Dr Whit-more. There are many studies of vitamin D status in nonhomebound elderly, including the BLSA cohort.^1-3 The control population in our study consisted of a subset of the BLSA. Sherman et al³ reported findings about the vitamin D status in this BLSA population in which participants were screened for diseases and for medications that affect calcium or vitamin D metabolism. The expected seasonal fluctuation was observed, but vitamin D status remained adequate. The vitamin D status also did not decline with age. In this population, without other factors interfering with vitamin D status, vitamin D deficiency generally does not occur. It is conceivable that differences in vitamin D status between the BLSA and other study groups exist because the BLSA represents a carefully screened, healthy ambulatory group. Other . . . [Full Text PDF of this Article]

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