Nintendo announced at the E3 the new Wii Vitality Sensor that is basically a pulse detector. The Vitality Sensor is a finger sensor designed to attach to the Wiimote and read your pulse. Other than pulse, the Sensor detect also a number of other signals being transmitted by their bodies, and will then provide information to the users about the body’s inner world.
Along with the Sensor, Nintendo introduced also the Wii MotionPlus and Wii Fit Plus.