Rheumatoid arthritis is an autoimmune disease in which your immune system attacks your body's own tissues in the joints. This article discusses the differences between OA and RA, their respective ...

Amon-Ra St. Brown has an idea for changing the playoff selection criteria now that the Detroit Lions find themselves in a unique spot going into Week 18. The Lions (14-2) and Minnesota Vikings (14 ...

Rheumatoid arthritis (RA) is a form of arthritis and an autoimmune disease. An RA flare, also known as an exacerbation, occurs when a person experiences transient worsening of their rheumatoid ...