Final answer:
Osteoarthritis is a joint disease caused by mechanical stress and inflammation, leading to symptoms like joint pain, stiffness, and decreased range of motion. Treatment includes managing symptoms through exercise, medications, and joint replacements.
Explanation:
Osteoarthritis (OA) is a joint disease resulting from the breakdown of joint cartilage and bone due to mechanical stress and low-grade inflammation on the joints. Symptoms include joint pain, stiffness, and decreased range of motion, with common joints affected being fingers, thumbs, neck, back, hips, and knees. Treatment involves managing symptoms through exercise, medications, and in severe cases, joint replacements.
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