But, she added, the question of whether vitamin D and calcium can provide a significant reduction in fracture risk in women still needs more study. "The question hasn't been answered yet," she said.
As for hormone therapy, which is often prescribed for symptoms of menopause, doctors recommend the lowest possible dose for a short period of time. Use of hormone therapy has been linked to a variety of health problems, including risk of breastcancer, stroke and blood clots, according to the USPSTF.
Learn more about calcium and where to find it in your diet from the U.S. National Institutes of Health Office of Dietary Supplements.
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