In an attempt to find out, Michael Mosley learns how the hottest chilli in the world creates euphoria in the brain, why parents have an overwhelming surge of love for their newborn child and what happens if you turn your own wedding into a chemistry experiment.
We all know that where there is pleasure, pain can't be far behind, and Michael gamely exposes himself to some painful experiments to show why the two are so interlinked. Why is pain so important and how can we measure it? How much pain are we prepared to put up with if the reward is right and what would happen if we couldn't feel pain at all? And how far is Michael prepared to go in the name of pleasure? Will he be able to overcome enormous pain and stress in order to experience one of the biggest pleasure kicks in the world?
The journalist and presenter examines why pleasure and pain are integral to human survival, submitting himself to some of the most extreme forms of both sensations. He reveals how the hottest chilli in the world creates a sense of euphoria in the brain, and explains the biological reasons why parents feel a surge of love for newborn children. He also exposes himself to painful experiments, highlighting the dangers of life without discomfort and discovering how far he is prepared to go to experience one of the world's most pleasurable highs.