According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases, 6 percent of men will have hip fractures by age fifty.

根据美国国家关节、肌肉骨骼和皮肤疾病研究院的研究结果，6%的男性在50岁之前可能发生大腿骨折。

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The research was supported by grants from the National Institute of Arthritis and Musculoskeletal and Skin Diseases and by the National Institute on Aging.

该研究获得美国关节炎、肌骨骼病与皮肤病研究所资金支持及国立老年医学研究所的支持。

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An estimated 80 percent of all people between the ages of 11 and 30 have outbreaks, according to the National Institute of Arthritis and Musculoskeletal and Skin Diseases.

根据国家关节肌肉骨骼及皮肤病研究所的调查，年龄在11到30岁的人群中，80%的人都曾长过粉刺。

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