These are important questions, given the steady increase in life expectancy and the already epidemic levels of osteoporosis and fractures among older Americans, men and women alike.

这些是非常重要的问题，鉴于平均寿命不断提高，在美国老年人当中，不论男女骨质疏松和骨折已经是很普遍的现象。

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Such fractures are common in persons with osteoporosis in which there is accelerated bone loss, particularly older women, and can occur with even minor trauma.

这种骨折常见于骨质疏松，尤其是老年妇女骨质疏松时存在加速性骨组织破坏丧失。骨折甚至在微小创伤作用下就可发生。

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Osteoporosis is a common problem in older women once they experience a drop in estrogen levels that accompanies menopause.

一旦妇女进入更年期，雌激素水平下降，骨质疏松则成为常见疾病。

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These rates are similar to those seen in older women with osteoporosis.

VOA: special.2009.03.10