Extra Vitamin D may help prevent osteoarthritis in the knee joint

Low levels of vitamin D are associated with the loss of cartilage in the knee joint of older individuals, researchers in Australia report. "Cartilage loss is the hallmark of osteoarthritis," Dr. Changhai Ding told Reuters Health. By the time patients reach the point of needing knee replacement, 60 percent of cartilage has been lost, he said. However, "achieving vitamin D sufficiency in osteoarthritis patients could significantly delay total knee replacement," said Ding, at the Menzies Research Institute in Tasmania.
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