Gluttony. Greed. Sloth. Pride. Envy. Lust. Anger. These are the Seven Deadly Sins, the vices of humankind that define immorality. But do these sins really represent moral failings, or are they simply important and useful human functions that aid us? Are they really just a result of how our bodies and our brains are wired? Professor of neurology, Guy Leschziner reveals the hidden science and humanity behind our so-called flaws and follies.

Presented by Harper Collins