1.Life tests us with bad food, alcohol, smoking, drugs and other threats to our body,but we should not use them for our good because they have a very negative effect on our health which is manifested by the appearance of serious diseases. 2.In accordance with these videos I found out what diseases can arise from all these products as d example of smoking can have cancer, bronchitis etc. 3.Tuberculosis (TB) is an infectious disease transmitted through the air. Tuberculosis can affect various organs and tissues in humans: eyes, bones, skin, urogenital tract, intestines, etc. But most often attacks the lungs tuberculosis.This form of the disease is the most dangerous because when coughing, sneezing, spitting or speaking, patients with pulmonary tuberculosis germs in the air known as mycobacteria or bacilli of tuberculosis