rheumatoid arthritis is it hereditary
Rheumatoid arthritis (RA) is an autoimmune disease in which the bodyâs immune system mistakenly attacks the membranes that line the bodyâs joints. The result is inflammation and pain in the joints.RA is a chronic disease that can cause periods of intense activity called flare-ups.esearchers have established that certain genetic markers may increase your risk of developing RA. The genes in question are related to the immune system in general, to chronic inflammation, or with RA in particular. It is important to note that not everyone with these markers develops RA.