When journalist Nathan Dunne was 28 he went for a spontaneous swim in the Hampstead Heath ponds with his girlfriend Maria. What should have been an innocuous and romantic escapade triggered the terrifying onset of what Dunne would, years later, come to know as depersonalisation.
He has recently published a book, When Nothing Feels Real, about his experience of depersonalisation, including interviews with others with the condition, doctors and neuroscientists, to help shed some light on what is still a deeply misunderstood and often misdiagnosed condition.
Watch our interview with Nathan Dunne here:
