Editorial photo #13726530 Health

Osteoarthritis - Joint Disease - WHO

A patient's knee, affected by osteoarthritis, is swollen in Tehatta, West Bengal, India, on May 20, 2026. The condition sometimes requires the patient to use a walking stick for support and undergo medication. Osteoarthritis is a degenerative joint disease that primarily affects older adults and women, with nearly 600 million to over 606 million people worldwide living with the condition, according to the World Health Organization and the Global Burden of Disease Study. (Photo by Soumyabrata Roy/NurPhoto)