Glucoseⁱ is a simple sugar that the brain uses as its major source of energy and is said to be not addictive. But for most they feel compelling hunger, craving, or desire for carbohydrate-rich foods; an escalating, recurring need or drive for starches, snack foods, junk food, or sweets.
It is an over release of the "Hormone Insulin" when carbohydrate-rich foods are eaten.