How does vitamin D affect arthritis?

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Low levels of vitamin D may increase the risk for osteoarthritis in the hip among elderly men, according to a study led by researchers at the University of California at San Francisco. And vitamin D may also help reduce the risk of rheumatoid arthritis in older women, according to another study.
Grant Cooper, MD
Physical Medicine & Rehabilitation
Participants in one arthritis study who had lower levels of vitamin D had up to a threefold increased risk of developing worsening arthritis of the knee, compared to those who consumed adequate amounts. Another study found that people with a lower intake of vitamin D had an increased risk of developing arthritis of the hip. Vitamin D is also critical in the prevention and treatment of osteoporosis. Toxicity is a concern and, if you take a supplement, don't take more than 1,000 IU per day.
The Arthritis Handbook: Improve Your Health and Manage the Pain of Osteoarthritis (A DiaMedica Guide to Optimum Wellness)

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The Arthritis Handbook: Improve Your Health and Manage the Pain of Osteoarthritis (A DiaMedica Guide to Optimum Wellness)

According to conventional wisdom, arthritis pain is an inevitable part of aging. Not so, says Dr. Grant Cooper in this practical, accessible guide. For those who do develop osteoarthritic conditions,...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.