- In six months, the dieters lost an average of 13 pounds no matter which diet they were on.
- After two years, they had kept off an average of 9 pounds and lost 1 to 3 inches in the waist, regardless of which diet they were on.
- Dieters had improvements in heart-disease risk factors, including increases in the HDL (good) cholesterol, and decreases in LDL (bad) cholesterol and triglycerides (blood fats) at six months and two years.
- People reported similar levels of fullness, hunger and satisfaction on the different diets.
Source: USA Today.com, In 4-Diet Study, All Lose Weight if They Watched Their Calories