Taken from: http://www.nbcnews.com/technology/futureoftech#/technology/futureoftech/lifewatch-phone-pocket-sized-doctors-office-1B5946723

The article states:

The phone in your pocket may be smart enough to give directions and play games, but when was the last time it took your temperature? The LifeWatch is a new Android-based phone with the ability to monitor vital statistics like heart rate and blood sugar.

Many people suffer from chronic medical conditions like diabetes or high blood pressure that necessitate frequent checks of their vital signs. Often this is achieved by a dedicated device like a blood sugar detector or heart rate monitor — but the creators of LifeWatch realized these functions could be integrated into a single device.

We have talked about this as a 'gamechanger' - keeping older people in their homes longer by monitoring their vital signs and being able to note changes by health professionals and be able to provide medical services when and where needed.