Another yellow light for calcium supplements
The Australian team took a fresh look at data from the Women's Health Initiative Calcium–Vitamin D Supplementation Study. It randomized 36,282 women to a calcium–vitamin D supplement or to a placebo. The results of the trial, published in 2006, showed a small improvement in hip bone density but no effect on hip fracture. The researchers reported that the numbers of heart attacks and other cardiovascular problems were the same in both groups.
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