>This reminds of me calorie tracking: you cannot perfectly capture the number of calories or macronutrients, but measuring does seem to help people loose weight.
This probably would explain the success of many fad diets if it were the increased awareness of the eating having an effect beyond the decision making about what to eat.
This probably would explain the success of many fad diets if it were the increased awareness of the eating having an effect beyond the decision making about what to eat.