Now your phone can tell if you have depression using the selfie camera

The app will track your emotions throughout the day (Picture: Jen Mills/Emobot)

Most of us stare at our phone or computer for hours every day – and soon, it could be staring back.

New technology to monitor mental health works by analysing emotions throughout the day using the front-facing camera, producing a daily report similar to step count or a heart rate graph.

Hundreds of patients are already using an app called Emobot to track their mood, seeing if their depression is getting worse or responding to treatment.