Science explains Jan 6: Anger destroys intelligence

American Academy of Neurology

“Hostile attitudes” and “Effortful coping” in young adulthood predict cognition 25 years later”

Translation: Angry people get increasingly stupid as they age

https://doi.org/10.1212/WNL.0000000000002517

https://n.neurology.org/content/86/13/1227

Results: Baseline hostility and effortful coping were prospectively associated with lower cognitive function 25 years later, controlling for age, sex, race, education, long-term exposure to depression, discrimination, negative life events, and baseline cognitive ability. 

Compared to the lowest quartile, those in the highest quartile of hostility performed 0.21 SD units lower (95% confidence interval [CI] −0.39, −0.02). 

Those in the highest quartile of effortful coping performed 0.30 SD units lower (95% CI −0.48, −0.12) compared to those in the lowest quartile. 

Conclusions: 

Worse cognition in midlife was independently associated with two psychological characteristics measured in young adulthood. This suggests that interventions that promote positive social interactions may have a role in reducing risk of late-age cognitive impairment.

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