Once you are an adult, your stomach pretty much remains the same size – unlessyou have surgery to intentionally make it smaller. Eating less won't shrink your stomach, says Moyad, but it can help to reset your "appetite thermostat" so youwon't feel as hungry, and it may be easier to stick with your eating plan.

http://www.mysupplementreviews.org/how-can-you-convince-your-body-that-it-needs-less-food/