America's junk food habit might go deeper than we think—a new study says sweet and salty snacks are as addictive as alcohol and cigarettes

A woman eats a burger while working on her laptop. (Credit: Getty Images)

On a given day one in three American adults will consume fast food—most likely during their lunch hour.

However, this rotation of sweet or salty snacks winding their way through the office may not merely be a force of habit. A new study has revealed that it may in fact be an addiction.