Electronic Device Helps Overweight And Obese Adults Stick To Diet, Exercise Regime

Actually, there are two devices.

Overweight and obese adults who used an electronic diary program on a personal digital assistant did better at staying on diet and physical activity programs, researchers reported at the American Heart Association's Epidemiology and Prevention/Nutrition, Physical Activity and Metabolism 2012 Scientific Sessions.

They are known as the "Don't eat too many Calories or else devices":