Rheumatoid arthritis ( RA) is an autoimmune disease in which the body’ s immune system – which normally protects its health by attacking foreign substances like bacteria and viruses – mistakenly attacks the joints. Rheumatoid arthritis humor. Rheumatoid Arthritis Humor. Its gentle, flowing movements make it an ideal way to get active without pounding your joints. This creates inflammation that causes the tissue that lines the inside of joints. If you want to exercise but your sore joints stop you, tai chi might be the answer. Along with joint inflammation and pain, many people experience fatigue, loss of appetite and a low- grade fever. Rheumatoid Arthritis Symptoms. Laughter may not. Because RA is a systemic disease, it. Life with Rheumatoid Arthritis can be miserable, but RA shouldn' t take away our ability to laugh. Replies to things not to say to an RA patient ( UPDATED) Every day, I hear from many people living with Rheumatoid Disease. May 21, 20, Kelly Young 113 Comments Communicating about RA, Humor with RA, Rheumatoid Arthritis awareness.