Saturday, July 19, 2008

Study finds high incidence of vitamin D insufficiency in breast cancer survivors

In article published in the July, 2008 issue of the American Journal of Clinical Nutrition, scientists at the Fred Hutchinson Cancer Research Center in Seattle, the National Cancer Institute, and other research centers report a high incidence of vitamin D insufficiency and deficiency among female breast cancer survivors.

The current study utilized data from 790 participants in the multiethnic Health, Eating, Activity, and Lifestyle (HEAL) study of breast cancer patients, which sought to determine the effect of diet, hormones, and other factors on breast cancer prognosis and survival. Blood samples collected within three years following the participants’ breast cancer diagnosis were analyzed for serum 25-hydroxyvitamin D levels, the primary biomarker used to evaluate vitamin D status. Dietary questionnaires were used to obtain information concerning vitamin D intake levels from food and supplements. Continue Reading

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