Nutrition labels offer an easy way to spot added sugar, the source of simple carbs that you want to cut back on. Just look for words that end in ose.. The chemical name for table sugar is sucrose. Other names you might see include fructose, dextrose, and maltose.
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Examine your family relationships. Codependency is a learned behavior, most often passed down through families; you learned it as a way to cope. You did not do anything wrong -- but, as an adult, it is an inadequate and ultimately unsuccessful way to deal in relationships.