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In old age, people often suffer from sti...

In old age, people often suffer from stiff and inflamed joints. What is this condition called? What are the possible reasons for these symptoms?

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### Step-by-Step Solution: 1. **Identify the Condition**: The condition characterized by stiff and inflamed joints in old age is commonly referred to as **osteoarthritis**. It is important to note that while osteoporosis is also a condition affecting bones, it primarily involves bone density and strength rather than inflammation of joints. 2. **Understand the Symptoms**: Osteoarthritis leads to symptoms such as joint stiffness, pain, and inflammation. This occurs because the cartilage that cushions the joints wears down over time. 3. **Possible Reasons for Symptoms**: - **Age-Related Wear and Tear**: As people age, the cartilage in joints can deteriorate, leading to stiffness and inflammation. ...
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