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.
Medical School Courses. After completing the bachelorâs degree, future dermatologists must go to medical school. In the first two years of medical school, all medical students take the same courses. Specialization occurs later in the education process. During years one and two, medical students take more advanced science courses that cover anatomy, physiology, and pharmacology.