Share +. Text A A A. Rheumatoid arthritis (RA) is an autoimmune disease where the body's immune system attacks normal joint tissues, causing inflammation of the joint lining. This inflammation of the joint lining (called the synovium) can cause pain, stiffness, swelling, warmth, and redness.ext A A A. Rheumatoid arthritis (RA) is an autoimmune disease where the body's immune system attacks normal joint tissues, causing inflammation of the joint lining.
Tuberculosis. Tuberculosis (TB) is an infectious disease caused by a bacterium that usually attacks the lungs. TB is spread through the air from one person to another. The bacteria are put into the air when a person with active TB disease of the lungs or throat coughs, sneezes, speaks, or sings.
tuberculosis tb is an infectious disease caused by bacteria called mycobacterium tuberculosis the bacteria usually cause an infection in the lungs but it can affect other parts of the body such as the kidney spine and brain if not treated properly tb can be fatalhe signs or symptoms of active tb infection include cough that lasts 3 weeks or longer presence of blood or sputum in cough pain in chest loss of weight loss of energy poor appetite