A low-carb diet, similar to the Atkins diet, with only 10% of calories from carbohydrates, 30% from protein and 60% from fat. This diet emphasized beef, fish, chicken, eggs, cheese, some vegetables and fruits, while slashing breads, pasta,
potatoes, rice, cakes, cookies and starchy vegetables.
A low-fat diet that was about 20% of calories from fat,
60% from carbohydrates and 20% from protein. It emphasized whole-grain products and fruits and vegetables, and it cut way back on oils, nuts, fatty meats and other high-fat foods.
A low-glycemic index diet, similar to a Mediterranean diet, was made up of vegetables, fruits, beans, healthy fats
(olive oil, nuts) and mostly healthy grains (old-fashioned oats, brown rice). It got about 40% of calories from carbohydrates,
40% from fat and 20% from protein.
Source: Journal of the American Medical Association
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