Arthritis is a disease that causes pain and loss of movement of the joints. Joint pain is referred to as arthralgia. Arthritis is the leading cause of disability in people over the age of 55. The causes of arthritis depend on the form of arthritis. Causes include injury (leading to osteoarthritis), abnormal metabolism (such as [...]

Psoriatic arthritis is a special type of arthritis that occurs in some patients with psoriasis, a chronic skin condition. It resembles rheumatoid arthritis in its effects, although most people experience a mild form. Symptoms of psoriatic arthritis include both skin disorders and conditions of the joints and can cause symptoms of psoriatic arthritis as well. [...]