Dietary supplements and mortality rate in older women: the Iowa Women's Health Study.


BACKGROUND Although dietary supplements are commonly taken to prevent chronic disease, the long-term health consequences of many compounds are unknown. METHODS We assessed the use of vitamin and mineral supplements in relation to total mortality in 38,772 older women in the Iowa Women's Health Study; mean age was 61.6 years at baseline in 1986. Supplement… (More)
DOI: 10.1001/archinternmed.2011.445


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