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.
How Many People Really Have Familial Hypercholesterolemiaâ And Does It Matter? March 14, 2016 by Larry Husten Leave a Comment A new study estimates that about 834,000 adults in the US have genetically high cholesterol levels, otherwise known as familial hypercholesterolemia (FH). The prevalence of FH, which the authors calculate as 1 in 250 American adults, is twice the size of earlier assumptions.