Your Complete Guide to Whole Grains Surprised that you can eat grains like whole-wheat and whole-grain bread on the South Beach Diet? Grains are an essential part of this healthy eating plan because carbohydrates provide fuel for the body. But not all grains are created equal. Get the facts about whole grains. Making Sense of Your Calcium Score When you have a heart scan, you are given an overall number called the Calcium Score, or Agatston Score, which represents the total amount of plaque in your coronary arteries. The number can range from 0 to 1,000 or more. The higher your number, the more plaque you have in your arteries and the greater your risk. Learn more from Dr. Agatston. SouthBeachDiet.com is part of the Everyday Health Network.