If the goal is to lose weight, the minimum which ought to be done is replacing fats (9 calories per gram) with carbohydrate (4 calories per gram). That's why ea

If the goal is to lose weight, the minimum which ought to be done is replacing fats (9 calories per gram) with carbohydrate (4 calories per gram). That's why eating a potato over nuts is recommended (not that you shouldn't eat nuts - they are great in their own way).