In addition, certain hormonal changes during breast-feeding may contribute to bone-density loss.

另外，母乳喂养期间激素的变化也会使骨密度降低。

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Numerous clinical trials have studied the role of bone antiresorptive therapy for prevention of bone density loss and fractures.

已经有很多临床试验研究了骨的抗再吸收治疗在预防骨密度丢失和骨折中的作用。

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In a study of more than 200 women ages 46 to 65, researchers found that the soy supplement did not appear to ward off bone-density loss over 3 years.

在一项对200多名年龄在46到65岁的女性调查研究中，研究者发现，在这3年当中大豆补充品并没有防止骨密度的减少。

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Not exercising consistently can lead to muscle atrophy, diabetes, bone density loss, and other problems.

FORBES: Didn't Have Time to Exercise? Drink Some Red Wine.

By allowing them to stand up and walk, the bionic suit not only helps users overcome issues like bone density loss and neuropathic pain related to their condition, but also to gain reams of confidence -- an oft-overlooked factor in the recovery process.

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Loss of density makes hair harder to style because the hair doesn't support itself as well, says Kevin Mancuso, creative director at Nexxus.

WSJ: Old Hair Days: Products to Help Manage Gray and Thinning Hair