Can you diagnose depression with an app that analyses how you type, scroll, and swipe?

Slowly, and practically without us even realising it, mental illness has crept up to the top of the list of health-related issues facing our society today, reaching nearly epidemic proportions. The World Health Organization (WHO) estimates that depression now affects more than 300 million people worldwide. It’s a serious condition that can adversely affect almost every aspect of a person’s life, in the worst cases even leading to suicide.