Diphtheria is a potentially fatal, contagious disease that usually involves the nose, throat, and air passages but may also infect the skin. Its most striking feature is the formation of a grayish membrane covering the tonsils and upper part of the throat.
Pure Food and Drug Act: A Muckraking Triumph. The first Pure Food and Drug Act was passed in 1906. The purpose was to protect the public against adulteration of food and from products identified as healthful without scientific support. The original Pure Food and Drug Act was amended in 1912, 1913, and 1923. A greater extension of its scope took place in 1933.
By Dr. Jonathan Aviv. The purpose of swallowing is to safely transport food from the mouth to the stomach. A myriad of diseases and conditions affect this basic purpose. Therefore, understanding the normal swallow is one of the keys to beginning to develop a therapeutic plan for the patient with impaired deglutition.