Osteoarthritis is a common joint condition that occurs when the protective cartilage that cushions the ends of bones wears down over time. This can lead to pain, stiffness, and swelling in the affected joints, making everyday activities more challenging. It often affects weight-bearing joints like the knees, hips, and spine, but can also impact the hands. Risk factors for developing osteoarthritis include age, obesity, joint injuries, and genetics. While there is no cure, treatments such as physical therapy, medications, and lifestyle changes can help manage symptoms and improve quality of life. Regular exercise and maintaining a healthy weight are essential for those affected.