What Is Ankylosing Spondylitis? Ankylosing spondylitis (AS) is a chronic inflammatory form of arthritis that primarily affects the spine. It causes pain,...

Rheumatoid Arthritis: Understanding Symptoms, Causes, and Treatment Rheumatoid arthritis (RA) is an autoimmune disease that causes joint pain, inflammation, and progressive damage...

Gout is due to persistently elevated levels of uric acid in the blood This occurs from a combination of diet , other...

What Is Raynaud’s Phenomenon? Do your fingers or toes suddenly become cold, pale, and numb when exposed to cold temperatures? You may...

Systemic scleroderma is an autoimmune rheumatic disease characterized by excessive production and accumulation of collagen, called fibrosis, in the skin and internal organs, and by...

What Is Polymyositis? Polymyositis is a rare inflammatory muscle disease that causes progressive muscle weakness, particularly in muscles closest to the center...

Sarcoidosis is an inflammatory disease in which granulomas, or clumps of inflammatory cells, form in various organs. This causes organ inflammation. Sarcoidosis...

What Is Psoriatic Arthritis? Psoriatic arthritis (PsA) is a chronic inflammatory autoimmune disease that affects both the skin and joints. It is...

Do You Feel Like the Tin Man? If you’ve ever seen The Wizard of Oz, you remember the Tin Man—stiff, creaky, barely...

Osteoarthritis (OA): What You Need to Know Osteoarthritis (OA) is the most common chronic joint condition. It is also known as wear-and-tear...