For years now, consumption of sugary and fatty foods has been associated with increased waistlines and obesity. Fatty foods have also been linked with a number of other serious ailments, some of which are life-long. Now a new study has said that consuming sugary and fatty foods in excess may re-model the brain, leading to a pattern of overeating. Earlier, scientists have talked about the addictive quality of junk foods like processed cheese as well as sugar and sugary foods and drinks. Sugar, in particular, has been linked with significant negative changes in the brain, which then may lead to harmful eating behaviours, like binge-eating and overeating.