Human bodies crave carbs because they serve as an important source of energy.

"Think of carbohydrates like the engine in a car," registered dietitian Teresa Eury said. "If you don't have the engine, you're really not going to run too well. Your body tries to slow down if you don't get enough carbohydrates and then will start using sources that are non-carbohydrate related so it can make that glucose for the brain's main source of energy."

Carbs are fibers, starches and sugars and they are the body's preferred fuel. However, it is important to remember that some carbs are better for you than others.

Experts say carbs should come from fruits, whole grains and starchy vegetables. Foods like pizza and chips can be enjoyed occasionally, as they only give a quick boost of energy that does not

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