Sodium nitrate is a type of salt used to preserve foods, particularly cured meat. It's added to cured meat to extend its shelf life by preventing rancidity and the growth of bacteria. The U.S. Environmental Protection Agency has set a legal limit for the concentration of nitrate allowed in food.
The 12-year process of becoming a dermatologist requires a significant commitment of the student's physical, mental, emotional and financial resources. It's only natural to wonder how large a reward waits at the end of this long road.
All states require the licensing of physicians, which includes dermatologists. In order to pursue a career as a dermatologist, the following requirements must be met: Internship begins after graduation from medical school and consists of medical training at a hospital under supervision. Following internship is clinical training, known as residency. Residency requirements for dermatologists consists of a one year program in either emergency medicine, family practice, general surgery, internal medicine, obstetrics and gynecology, or pediatrics. An additional three years of residency must be completed in accredited dermatology.