A balanced, nourishing diet is key to losing weight, but when it comes to stubborn belly fat, there's one specific food group that can be particularly troublesome: Refined carbohydrates. Also known as "simple carbs," these foods have been stripped of their fiber and nutrients—so they do very little good, but can do a lot of harm.
"When your body takes in carbohydrates in general, it needs vitamins and minerals to break down the food and digest it," says Kate Turner, MA, RD, founder of Live Well with Kate. "The issue is, when…