Financial analyst. A financial analyst, securities analyst, research analyst, equity analyst, investment analyst, or rating analyst is a person who performs financial analysis for external or internal financial clients as a core part of the job. Contents.
Share +. Text A A A. Rheumatoid arthritis (RA) is an autoimmune disease where the body's immune system attacks normal joint tissues, causing inflammation of the joint lining. This inflammation of the joint lining (called the synovium) can cause pain, stiffness, swelling, warmth, and redness.ext A A A. Rheumatoid arthritis (RA) is an autoimmune disease where the body's immune system attacks normal joint tissues, causing inflammation of the joint lining.
Abstract and Introduction. Rheumatoid arthritis (RA) is a common chronic systemic autoimmune disease characterized by joint inflammation and, in a proportion of patients, extra-articular manifestations (EAM).ntroduction. Rheumatoid arthritis (RA), a systemic autoimmune process characterized by a chronic symmetrical erosive synovitis, is frequently progressive and results in significant disability, especially if treatment is delayed.