Rheumatoid Arthritis is an autoimmune disease and till now it is not known how it is triggered. Generally, the immune system helps us to protect the body against various diseases and infections but in this case, the immune system starts attacking the healthy body tissues.
Doctors and researchers still don’t know what starts this process but the possibility of the genetic component cannot be ignored. While your genes may not directly cause rheumatoid arthritis, they can make you more likely to react to other environmental factors like infection with certain viruses and bacteria.
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