Series exploring topical scientific issues. Featuring the latest research into pain, one of the most common and mysterious human experiences.
Horizon reveals the latest research into one of the most mysterious and common human experiences - pain.
Breakthroughs have come from studying a remarkable woman in London who has felt no pain at all in her life, a man in the US who cut off his own arm to survive, and three generations of an Italian family who don't feel extremes of temperature.
We witness a new treatment that involves a pioneering computer game 'snow world' that contains the power to banish pain.
And we find how powerfully our moods and emotions shape what pain we feel.