The average age of men in the study was 60. The men were randomly assigned to either a low-calorie diet, where two daily meals were replaced by weight loss shakes, or to a higher-protein, lower-carbohydrate eating plan.
In the meal replacement plan, men got about 900 calories a day.
The more weight the men lost, the greater the improvements.In the meal replacement plan, men got about 900 calories a day.