The New England Journal of Medicine conducted a study in 2009 that examined various diets: low fat/average protein, low fat/high protein, high fat/average protein and high fat/high protein.
Each participant followed one of the diets and consumed 1,200 calories per day. The weight loss was no different for each of the groups. Read more here. Regardless of which diet you choose, it’s how many calories you consume and burn that make the difference. But while the calories do make a difference, making healthy choices will keep you feeling full and satisfied for a longer period.