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一项针对超重和肥胖人群的研究发现，该类人群罹患膝关节骨性关节炎的风险远高于正常体重的人群，但体育锻炼并不会增大这种风险。

A study of obese and overweight persons found that this group of people had higher risk of knee-osteoarthritis than normal weight persons, and yet exercise would not increase the likelihood of developping such disease.