Shrink Your MiddleYou've worn in your walking shoes. You fill your grocery cart with healthy fare. And you're careful not to dive headfirst into a pint of ice cream under stress. Yet your belly fat remains. It's frustrating, for sure, but far from permanent! Those healthy habits are a good start, but as you age, you need to work out and eat smarter to maintain a slimmer middle. "Belly fat can be very responsive with the right strategies," says Michele Olson, PhD, an exercise researcher at Auburn University. Here, science-proven ways to fine-tune your already healthy routine for fast results. For speedier flattening, try this workout plan and watch stubborn belly bulge disappear!