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 a serious infection caused by the organism Mycobacterium tuberculosis. It is a communicable disease spread through the air by speaking, coughing or sneezing. TB may be latent (inactive) or active. Tuberculosis is treatable, but it may take up to a year to rid the body of it. It usually infects the lungs but occasionally strikes the kidneys, bones, lymph nodes, brain, urinary tract, skin or reproductive tract instead.