Older people smile longer and more frequently than the young. https://ieeexplore.ieee.org/abstract/document/8735803 … Lending credence to the paradox of greater emotional positivity in the old: https://twitter.com/DegenRolf/status/1071360081659392000 …pic.twitter.com/apZuLjP39P
12:40 AM - 5 Jul 2019
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