The number of people Googling symptoms and diagnosing themselves has reached worrying proportions, with 20% of Brits now turning to the web rather than visiting a GP.Be Your Own Doctoris a new programme from Channel 4 that wants to help viewers navigate this potentially confusing world.

We don’t trust Dr Google’s health advice any more than a used car salesman’s, so why do so many of us continue to consult it? Information overload leads to increased anxiety, and an Australian poll has revealed that worries caused by frantic online searches are burdening the healthcare system.

The Western world is in the grip of an anxiety epidemic, yet while rates of mental illness have surged, health services have struggled to keep up. Could effective care be delivered by an app? That’s the goal of Joyable, which offers CBT treatments to social anxiety sufferers through their smartphones.

Dropped your doughnut? Let some falafel fall on the floor? Pop culture and word of mouth might have you believe that if you pick it up quickly enough, it’ll be free from bacteria and safe to eat. But scientists have now definitively proved that the 'five-second rule' is not a thing.