Hypochondria: the fear of having a serious, undiagnosed illness. We may mock the hypochondriac, but a constant fear of sickness and death can be a debilitating and distressing condition in itself, with some sufferers even ending up in wheelchairs. So why don’t we take this misunderstood malaise more seriously?

Presenter: Becky Milligan
Producer: Ben Crighton

(Photo: Man in white coat with placing stethoscope on man's chest. Credit: Michal Kowalski/Shutterstock)