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.
If you mean why is food genetically modified-the purpose is to make the food taste better, grow fa â¦ ster, be resistant to pests, be resistant to herbicides, last longer, or for a host of other properties meant to make the food better and/or cheaper.cientists alter the DNA make up of the food, often by taking DNA from an unrelated species and forcing it into the seeds of another species. Two of these items of food we see everyday in our stores are corn and soybeans.