An assumption about life expectancy is that the richer the society, the longer and healthier the individuals in that society will live—but in the case of life expectancy, money can’t collectively buy us more time. Sociologist and demographer Mark Hayward has spent the majority of his career studying all-things life expectancy, and in this episode he talks about the devastating societal impacts of inequality and unpacks some of the largest factors to living a long and healthy life: education, social networks, social policies, and brain development.

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