Unlocking Joint Health: What Deficiency Causes Stiff Knees?
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4 min read
Recent research notes that a high percentage of patients with osteoarthritis, a common condition causing stiff and painful joints, are also deficient in vitamin D. However, a lack of this one vitamin is not the only nutritional factor. Understanding **what deficiency causes stiff knees** and other joint issues is the first step toward effective management and improved mobility.
