Get Your Body to Start Doing What You Want

NASCAR star Michael Waltrip tells his story about losing friend and fellow racer Dale Earnhardt, and how he changes his fears into courage.

NASCAR star Michael Waltrip takes Dr. Sears for the ride of his life. See what goes on inside Dr. Sears' brain as he zooms around the track at 200 mph!

Do you know which foods make you "go" and which "stop you up?" E.R. physician Dr. Travis Stork challenges Melissa to a game of red light, green light, to test her knowledge of which foods stop the digestive tract and which ones get it moving.