6,000 Year Old Knee Joints Suggest Osteoarthritis is More Than Just Wear and Tear

Conventional wisdom is that osteoarthritis of the knee results mostly from wear and tear, which is why these days, it’s more common among older people and those whose excess body weight puts extra stress on those joints.  For this study, scientists from Harvard University examined human knee joints in museums around the country.  The specimens ranged from the oldest, those of prehistoric Inuit hunter-gatherers of Alaska from 4,000 BC, to more recent ones from Tennessee in 2015.  Though root causes are not pinpointed, the results of the study were unexpected.

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