Eating refined carbohydrates like bagels may stimulate brain regions involved in reward and cravings, research suggests. iStockphoto.com hide caption itoggle caption iStockphoto.com The Salt Can You Be Addicted To Carbs? Scientists Are Checking That Out June 26, 2013 Researchers are trying to figure out if it really is possible to be addicted to food. A study of brain activity finds there's more going on in areas linked to reward and addiction after people drink a shake with lots of refined carbohydrates. But it's not clear how that factors into overeating.