We all have to get old, but why do some people age better than others? Why do people living in some small regions around the world live far longer than the rest of us? Can we cheat the ageing process? And is living with a smile going to be worth a few decades more?
This week Luke explores the science of ageing, from the reasons we can't fight time, to what age we feel best physically and emotionally, what foods can help us age more gracefully... and then there's the one animal that's almost immortal.
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