Can your smartphone keep you healthy?

Want to monitor your blood pressure? There's an app for that.

Fancy counting your calories? There's an app for THAT.

If you're diabetic and you need to monitor your insulin levels... you guessed it... there's an app for that too.

There's been an explosion in the number of health apps for mobile devices. Apparently there are now 100,000 different varieties on the market to help keep you in top-top condition. The European Commission has published a Green Paper looking at the whole area of mobile health.

But can a smartphone app ever replace advice from a medical professional?