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6,000-Year-Old Knee Joints Suggest Osteoarthritis Isn’t Just Wear And Tear

Enlarge this image Arthritis is a joint disease that can cause cartilage destruction and erosion of the bone, as well as tendon inflammation and rupture. Affected areas are highlighted in red in this enhanced X-ray. Philippe Sellem/Paul Demri/ Voisin/Science Source hide caption toggle caption Philippe Sellem/Paul Demri/ Voisin/Science Source American doctors have been noticing an increase in osteoarthritis of the knee. They have suspected two driving forces: more old people and more people who are overweight. A study published in this week’s Proceedings of the National Academy of Sciences argues…

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