The researchers, from Sydney’s Garvan Institute of Medical Research, said the benefit could be due to the extra force placed on bones strengthening them. Fat can also provide valuable padding if an individual falls.
来自悉尼加文医学研究所的研究者表示,这可能是因为外部施加于骨头上的压力增强了骨骼强度。当人摔倒时,脂肪也可以充当衬垫作用。
However, they believe the most likely explanation involves the female sex hormone oestrogen.
然而,他们认为最可能的解释是雌性激素。
Women who store fat around their middle tend to have higher levels of oestrogen, and the hormone is good for the bones. The researchers said that their finding could help explain why the number of fractures has gone down as obesity rates have risen around the world.
腰部脂肪较多的女性雌性激素水平高,而这些激素对骨骼有益。研究者表示,他们的发现能帮助解释为什么随着世界范围内肥胖的增加,发生骨折的数量减少。
Project leader Professor Tuan Nguyen said: ‘This study appears to be consistent with the fact that obesity levels are rising worldwide at the same time that fracture incidence is decreasing.’
该项目负责人Tuan Nguyen教授说:“这项研究显然与某个事实一致,那就是随着世界范围内肥胖人数的上升,骨折事故几率下降。”
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