Well, a 50 year old guy here jogged long distance on regula basis


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送交者: HunHunSheng 于 2005-8-08, 08:39:19:

回答: 小心你的膝盖混不长，不到50岁就损耗了 由 老中一号 于 2005-8-08, 01:14:23:

and doctors were surprised to find his knees were as yong as those of 20 year old. They attribute that to
his jogging



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