The novel part is causality - obviously sick people are less happy but this demo... | Hacker News

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Lxr on Aug 7, 2016 | parent | context | favorite | on: The brain's reward circuitry regulates immunity

The novel part is causality - obviously sick people are less happy but this demonstrates cause and effect.

danielvf on Aug 7, 2016 [–]

That causualty is the whole point of the old proverb. Being happy makes you healthier, being sad makes you sicker.

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