November 12, 2011
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Knee Arthritis Striking at Younger Ages, But Weight Loss May Help: MedlinePlus
http://www.nlm.nih.gov/medlineplus/news/fullstory_118394.html#.Tr8sADmrJXc.xanga
http://www.nlm.nih.gov/medlineplus/news/fullstory_118394.html#.Tr8sADmrJXc.xanga