 The purpose of this study is to see what effect skipping breakfast versus consuming breakfast has on cognitive performance and the hormones responsible for glucose homeostasis in lean and obese adolescent males. The subjects will be tested on their ability to maintain attention when given several tasks called continuous temporal expectancy tasks CTET and electrophysiological signals using electroencephalogram EEG will be monitored. These two study groups will be randomized to one of two orders: A,B or B,A where A breakfast intervention and B no breakfast. There will be a washout period of 7 days in between study visits. 