Sugar can be one of the hardest habits to break. Why? Eating it also releases dopamine into the body and activates opiate receptors in the brain, activating the reward center. Both of these lead to compulsive, addictive behavior. Sugar can be found in many products that are consumed on a daily basis. In addition to junk food, condiments, bread and pasta also carry large quantities of sugar. Though it may be difficult to kick the habit, there are ways to help curb your sweet tooth. Keep reading to find out how you can protect your teeth from developing cavities in North Andover.