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Editor's Correspondence
June 13, 2011

Low Serum 25-Hydroxyvitamin D Levels and the Bidirectional Association Between Depression and Type 2 Diabetes Mellitus in Women

Author Affiliations

Author Affiliation: Sunlight, Nutrition, and Health Research Center, San Francisco, California.

Arch Intern Med. 2011;171(11):1041-1042. doi:10.1001/archinternmed.2011.222

A recent article in the Archives found a bidirectional association between depression and type 2 diabetes mellitus in women.1 The results were partly explained by, but independent of, such factors as adiposity and activity level. Overlooked in the article was any mention of the role that serum 25-hydroxyvitamin D [25(OH)D] level might play in explaining the findings.

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