You knew your brain was busy—but did you know it was this busy? With all that it does during the day,your brain is using 20 percent of your caloric intake every day. But it's picky about the kinds of food it wants, opting for glucose—mostly from carbohydrates that you've recently eaten.
Are these foods worth how much you have to do to work it off?? Yahoo.com put out a list of 12 different fast food and junk food favorites along with a workout you would have to do to make up for it. Check it out and you may not eat that burger: