Two of the most common causes of hip or knee pain are osteoarthritis and inflammatory arthritis. Both will reduce mobility and independence over time.

Considering joint replacement surgery for hip or knee pain?
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Two of the most common causes of hip or knee pain are osteoarthritis and inflammatory arthritis. Both will reduce mobility and independence over time.
The American College of Rheumatology and the Arthritis Foundation do not recommend health supplements such as glucosamine in treating knee pain.
Patients above age 40 with persistent knee pain should see an orthopaedic surgeon to see if they need medical treatment for knee osteoarthritis.