Fact Sheets

Rheumatoid Arthritis
Rheumatoid arthritis (RA) is a disease in which the body's immune system begins attacking the lining of the joints. Learn about symptoms and treatment.
Lupus
Lupus is an autoimmune disorder that causes inflammation in the joints and blood vessels, along with skin and neurological symptoms.
Diagnosing Lupus Nephritis
Lupus is an autoimmune disease that causes rampant inflammation throughout the body; lupus nephritis is the diagnosis when the kidneys are involved.
Scleroderma
An autoimmune disease in which the skin becomes thickened and hardened. It can also affect internal organs.
Sarcoidosis
Sarcoidosis is an inflammatory condition that affects the lungs, lymph nodes, and/or other tissues. Learn about symptoms and treatment.
Hip Arthroscopy
A minimally invasive surgical technique used to diagnose and treat a range of hip injuries and disorders.
Vitamin D Deficiency
A vitamin D deficiency can cause health problems like muscle weakness and brittle bones.
Osteoporosis
Osteoporosis causes weakened bones and a higher-than-normal risk of fractures. It occurs as people age, but when caught early, it is treatable.
Running Injuries
About 65 percent of regular runners get hurt each year. It’s estimated that the average runner will sustain one injury for every 100 hours he or she runs.
Hip Labral Tears
A torn hip labrum can lead to hip instability, pain, and impair the labrum's ability to absorb shocks.