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? Pleasure is vital for our survival, without it we wouldn’t eat or have sex, and would soon die out as a species. But how does pleasure work and what gives us the most pleasure in life? 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.
