While an apple a day is known for keeping the doctor away, researchers suggest going to work on an egg everyday could be the best way to start the day. For, they say, it can also keep unwanted intake of calories at bay.
http://ummid.com/news/2011/December/11.12.2011/egg_a_day.htm
http://ummid.com/news/2011/December/11.12.2011/egg_a_day.htm