Tuberculosis is an infectious disease caused by bacterial Mycobacterium tuberculosis. Tuberculosis bacteria differ from other bacteria that are very long and very long after infection. When there is a child, the bacteria in the body do not have any specific symptoms. When we are older, our body becomes more and more vulnerable to signs of weakness. Tuberculosis bacteria love the area of high acidity, so it is common in the lungs, but it can also cause disease in any part of our body.