Osteoarthritis

Definition

Osteoarthritis is a degenerative joint disease characterized by the breakdown of cartilage and underlying bone. It commonly leads to pain and stiffness, especially in weight-bearing joints such as the knees, hips, and spine.

5 Must Know Facts For Your Next Test

1. Osteoarthritis is strongly associated with aging; the risk increases significantly after age 50.
2. Obesity can exacerbate osteoarthritis symptoms due to increased mechanical stress on joints.
3. Proper nutrition, including adequate intake of omega-3 fatty acids, can help reduce inflammation associated with osteoarthritis.
4. Vitamin D and calcium are crucial for maintaining bone health and potentially slowing osteoarthritis progression.
5. Antioxidant-rich foods may help protect joint tissues from oxidative damage.

Review Questions

• What role does obesity play in the exacerbation of osteoarthritis symptoms?
• How can omega-3 fatty acids impact osteoarthritis?
• Why are vitamin D and calcium important for individuals with osteoarthritis?

Related terms

Rheumatoid arthritis: An autoimmune disorder where the immune system mistakenly attacks joint tissues causing inflammation and pain

Cartilage: A flexible connective tissue found in joints that helps reduce friction during movement

Omega-3 fatty acids: Essential fats found in fish and flaxseed that have anti-inflammatory properties