FIT5 How-tos :: The successful fat-burning and weight loss :: Fat burning :: Why you should eat less, but more often

Your metabolism operates better if you eat small amounts frequently. If two people consume the same amount of food, the one who will burn more calories is the person who eats little and often. If you take less exercise, but continue to eat the same amount of food, your muscle mass will decrease, and as a result your metabolism will slow down.