rheumatoid arthritis

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Rheumatoid arthritis is an autoimmune disease that attacks the joints and connective tissue. Autoimmune diseases are illnesses that occur when the bodys tissue is mistakenly attacked by its own immune system. The immunes system is primarly organized to look for infections and destroy them, patients with rheumatoid arthritis have antibodies in their blood which target their own tissue which leads to inflammation. RA is basically a chronic syndrome that is characterized by inflammation of the peripheral joints, but it may also involve the lungs, the heart, the blood vessels and eyes. Patients with RA experience symptoms such as stiffness in the joints. The joints then have a limited range of motion. “ Morning stiffness is one of the hallmark symptoms of RA”(WebMD). The inflammation is caused by fluid that enters the joints and it becomes puffy, it can also cause redness and warmth which can be very painful. The small joints of the hand wrists, and feet are more commonly affected . the knees, ankles,shoulders hips and elbows may be involved as well but they are more common in early disease(Medicinenet.com) Rheumatoid arthritis signs and symptoms may vary in severity and may even come and go. Periods of increased disease activity, called flares, alternate with periods of relative remission when the swelling and pain fade or disappear. Over time, rheumatoid arthritis can cause joints to deform and shift out of place. The cause for RA is unknown, but researchers believe it can be caused by enviromental, hormonal and a combination of genetic factors. Some theories have suggested that a virus or bacteria may alter the immune system, causing it to attack the joints. Other theories suggest that smoking can cause Rheumatoid arthritis. Alth... ... middle of paper ... ...with the general population. Around 40% of all deaths in individuals with RA are related to cardiovascular causes and heart disease and stroke. “The most recent North American study of mortality among people with RA, based on data from 1965–1990, found a standardized mortality ratio of 2.3 among people with RA compared to the general population, that is, people with RA are more than twice as likely to die than people of the same age in the general population ”(CDC.gov). Works Cited http://www.niams.nih.gov/Health_Info/Arthritis/default.asp/lirn.net http://www.arthritis.ca/aboutarthritis/lirn.net http://www.arthritis.org/conditions-treatments/disease-center/juvenile--arthritis/lirn.net http://www.cdc.gov/arthritis/basics/rheumatoid.htm http://www.webmd.com/rheumatoid-arthritis/default.htm?names-dropdown= http://www.medicinenet.com/rheumatoid_arthritis/article.htm

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