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 for Dermatology. The next step in the process is to enter in to medical school. Medical school for dermatology lasts on average four years. Graduation from an approved and accredited medical school will give you an MD title. MD is the standard title for a Medical Doctor.