CONSUMER (WKTV) - If you're attached to your smart phone, it may already seem like it can do it all, but what if it could help you keep an eye on your health. A new mobile application called Ginger.io has been described as a human "check engine light." It monitors the cell phone behavior of the phone's owner, by watching general interactions. Maybe you stopped calling or texting certain numbers. The app takes note. It's actually being used by a number of hospitals.