Brain surgeons not only need skill, stamina and dexterity, but also have to keep their cool in highly emotional situations. Interview several neurosurgeons. Get into the best school you can (see 150 Get Into a Top College or University) and earn a four-year pre-med degree. To deliver the best care, you need to stay on top of medical advances throughout your career. 2  Surgeons earned a median annual income of $255,438 in 2002. 3  Fifty years ago, half of brain surgeries were fatal.
Carbohydrates are an essential part of a healthy diet because your body converts them to glucose and your body runs on glucose. Proteins, fats, and alcohol (as in beer, wine, and spirits) also provide energy in the form of calories.
How Food Works. Carbohydrates provide your body with its basic fuel. Your body thinks about carbohydrates like a car engine thinks about gasoline. The simplest carbohydrate is glucose. Glucose, also called blood sugar and dextrose, flows in the bloodstream so that it is available to every cell in your body. Your cells absorb glucose and convert it into energy to drive the cell.