A cough is a forceful release of air from the lungs that can be heard. Coughing protects the respiratory system by clearing it of irritants and secretions. While people can generally cough voluntarily, a true cough is usually a reflex triggered when an irritant stimulates one or more of the cough receptors found at different points in the respiratory system.
Researchers are concerned about the growing problem of people being overdiagnosed and overtreated for cancer. A group of scientists convened by the National Cancer Institute … Read more