Older adults who were calm and mature in adolescence were about 10% less likely to develop dementia, while those who were energetic as teens had a 7% lower dementia risk, according to a study in JAMA Psychiatry. However, researchers found that teen calmness, maturity and vigor didn't have a protective effect against later dementia among those who were raised in lower-income households.
Personality in teen years may affect odds of dementia in seniors
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