The next time you are craving after eating sweets to the night, as you try out the first review of everything eaten during the day mentally. "You can remember what had contributed to the hippocampus, the brain's decision-making dynamic to help you say no to consuming extra calories," explains study lead author Susan Hughes. To tame your appetite, keep a food journal throughout the day and review it before you reach for sweets. You may decide that you do not need this scoop of Chunky Monkey, after all!