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Arthritis Overview

Arthritis is a common disorder that affects your joints. It can cause pain and inflammation, making it difficult to move or stay active. There are many types of arthritis. Each form causes different symptoms and may need different treatments. While arthritis usually affects older adults, it can develop in men, women and children of any age.

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What is arthritis?

Arthritis is a disease that affects your joints (areas where your bones meet and move). Arthritis usually involves inflammation or degeneration (breakdown) of your joints. These changes can cause pain when you use the joint.

Arthritis is most common in the following areas of the body:

  • Feet
  • Hands
  • Hips
  • Knees
  • Lower back

More people have this condition than any other form of arthritis. It's the "wear and tear" that happens when your joints are overused. It usually happens with age, but it can also come from joint injuries or obesity, which puts extra stress on your joints.

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The Nutrition Professionals

Arthritis is a broad term that describes more than 100 different joint conditions. The most common types of arthritis include:

  • 1

    Osteoarthritis

    wear and tear” arthritis, which develops when joint cartilage breaks down from repeated stress. It’s the most common form of arthritis.

  • 2

    Ankylosing Spondylitis

    arthritis of the spine (usually your lower back)

  • 3

    Gout

    Gout, a disease that causes hard crystals of uric acid to form in your joints.

  • 4

    Psoriatic Arthritis

    joint inflammation that develops in people with psoriasis (autoimmune disorder that causes skin irritation).

  • 5

    Rheumatoid Arthritis

    a disease that causes the immune system to attack synovial membranes in your joints.

  • 6

    Juvenile arthritis

    (JA), a disorder where the immune system attacks the tissue around joints. JA typically affects children 16 or younger.

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What causes arthritis?

Arthritis may be caused by

  • Wear and tear of a joint from overuse
  • Age (OA is most common in adults over age 50)
  • Injuries
  • Obesity
  • Autoimmune disorders
  • Genes or family history
  • Muscle weakness
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