For many people, the thought of a tasty burger or a cold pint of beer conjures up a vivid mental image and drives behavior.
This link between thinking and doing serves a clear function – it motivates us to get the necessities for life.
But for some, this process can malfunction. Preoccupation with these rewarding stimuli can lead to disorders of substance overuse, including overeating to the point of obesity and alcohol abuse.

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