Rheumatoid arthritis can be a chronic autoimmune disorder that primarily affects the joints. It occurs when the body's immune system disrupts healthy joint tissue, causing inflammation, pain, stiffness, and gradually damage to the cartilage and bone. The exact causes of rheumatoid arthritis are unknown, but a combination of genetic predisposition a

common burrowing mammal, determined like a rodent, mentioned for prolific breeding, late 14c., rabet, "young on the coney," suspected for being from Walloon robète or a similar northern French dialect phrase, a diminutive of Flemish or Middle Dutch robbe "rabbit," which are of unidentified origin this could posture them as many of the more inexpe