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Rheumatoid Arthritis
Rheumatoid arthritis (RA) is an autoimmune disease, a disease in which the immune system mistakes the body's own cells for invaders. In RA, the immune system attacks the synovia, the membranes lining the joints.
Source: healthline.com

en.wikipedia.org/wiki/Rheumatoid_arthritis

Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. It typically results in warm, swollen, and painful joints. Pain and ...

www.arthritis.org/about-arthritis/types/rheumatoid-arthritis/what-is-rheumatoid-arthritis.php

Rheumatoid arthritis (RA) is an autoimmune disease in which the body's immune system – which normally protects its health by attacking foreign substances like ...

www.webmd.com/rheumatoid-arthritis/rheumatoid-arthritis-basics

Jun 7, 2017 ... Arthritis means inflammation in a joint. That inflammation causes redness, warmth, swelling, and pain within the joint. Rheumatoid arthritis ...

www.medicinenet.com/rheumatoid_arthritis_early_symptoms/article.htm

The fatigue of rheumatoid arthritis that results in lack of energy can adversely affect emotions and mood, occupation, relationships with people, sex drive, ...

www.mayoclinic.org/diseases-conditions/rheumatoid-arthritis/home/ovc-20197388

Aug 9, 2017 ... Rheumatoid arthritis is a chronic inflammatory disorder that can affect more than just your joints. In some people, the condition also can ...

www.mayoclinic.org/diseases-conditions/rheumatoid-arthritis/symptoms-causes/dxc-20197390

Aug 9, 2017 ... Early rheumatoid arthritis tends to affect your smaller joints first — particularly the joints that attach your fingers to your hands and your toes to ...

www.niams.nih.gov/health_info/rheumatic_disease/rheumatoid_arthritis_ff.asp

Rheumatoid arthritis is a disease that affects the joints. It causes pain, swelling, and stiffness. If one knee or hand has rheumatoid arthritis, usually the other does  ...

www.rheumatology.org/I-Am-A/Patient-Caregiver/Diseases-Conditions/Rheumatoid-Arthritis

Information for patients and caregivers on rheumatoid arthritis (RA): what it is, causes, getting diagnosed, treatment options and tips for living with RA.

www.rheumatoidarthritis.org/ra

Sep 5, 2017 ... In people with RA, white blood cells create inflammation in the synovium. This causes the tissue that lines the walls of the joints to thicken and ...