Pottawatomie County, Oklahoma (OK) County population in 2014: 71,811 (49% urban, 51% rural); it was 65,521 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 10,798. County owner-occupied free and clear houses and condos in 2010: 7,617.
The Ornish diet is a low-fat, vegetarian diet with an emphasis on the inclusion of whole grains, beans, fruits, vegetables, (~70%-75% carbs), 15-25g fat (less than 10% of calories from fat), 15-20% protein. No animal products are allowed except egg whites and nonfat dairy products.
For a 180lb man, that means 180 grams of protein and 90 grams of fat. Assuming a 2,000 calorie diet, that leaves 200 grams of carbs left over (1 gram of protein/carbs has 4 calories, and 1 gram of fat has 9 calories). The percentage breakdown in this example is roughly 35% protein, 45% carbs, and 20% fat.