Word: calcium
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...only be submitted by a current NAS member and are decided upon at its annual meeting in April. “It feels great,” Clapham said. “It’s a nice honor.” Clapham, whose research concerns the role of calcium ions as messengers between cells, emphasized that while gratifying, the election will not create a significant change in his career. “It adds some new responsibilities, but mainly it’s just an honor,” he said. Ellison, the anthropology professor, said he looked forward...
...These latest studies, which are part of the giant U.S. Women's Health Initiative, are not likely to be contradicted anytime soon. Investigators tested the benefits of calcium and vitamin D in the most scientifically rigorous way possible?with a double-blind, placebo-controlled trial...
...there are still some quirks in the data. More than half the participants were also on hormone therapy, which is known to increase bone density. Moreover, most of the studies' subjects were already getting more calcium and vitamin D from their diet than the average American woman. Maybe supplements work best in people who need them most. Finally, the women were on the chunky side, which also protects bones...
...With all those caveats in mind, however, it seems clear that the benefits of calcium and vitamin D supplements are small for most women and probably fairly modest even for those at greatest risk of cancer or bone loss. In addition, the studies found that women who take extra calcium have a 17% greater risk of developing kidney stones...
...Sources of Vitamin D and Calcium: ? Vitamin D (400 IU to 600 IU needed daily): sunlight (as much as 20,000 IU in 15 min. at midday), salmon (103 IU per oz., or 28 g), fortified milk (12.5 per fl. oz. [30 ml]), fortified orange juice (12.5) ? Calcium (1,000 mg to 1,500 mg needed daily): Atlantic sardines (108 mg per oz. [28 g]), canned salmon (68), low-fat plain yogurt (52), tofu (30), canned white beans (21) and regular skim milk...