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: Tuberculosis (TB) is a bacterial infection of the lungs, which is caused by the bacterium Mycobacterium tuberculosis. Symptoms may include cough, shortness of breath, pleurisy (pain with breathing or coughing), fever, weight loss, night sweats, chills, and loss of appetite.IV seriously affects the immune system and leaves it open to infection from numerous sources. People with HIV can develop cancers such as Kaposi's sarcoma, lymphoma, cervical cancer, and cancer of the rectum.