Definition. Thoracic surgery is the repair of organs located in the thorax, or chest. The thoracic cavity lies between the neck and the diaphragm, and contains the heart and lungs (cardiopulmonary system), the esophagus, trachea, pleura, mediastinum, chest wall, and diaphragm.
If youâre reading this, chances are you switched on a light. But for the 1.3 billion people around the world who lack access to electricity, darkness is a reality. There is no electric light for children to do their homework by, no power to run refrigerators that keep perishables or needed medicine cold, no power for cooking stoves or microwaves.
A PhRMA answered. Today in the United States, 23.6 million children and adults, or nearly 8 percent of the population, have diabetes, a disease in which the personâs body does not produce or correctly use insulin. Insulin is a hormone that helps change glucose (sugar) and other foods into energy.