Less education
Fewer years of formal education roughly doubles the dementia rate in pooled studies, likely through reduced cognitive reserve.
One analysis that pools the results of many studies, so no single odd result can carry the conclusion.
Why it matters
Education builds cognitive reserve, a buffer that lets the brain function despite physical damage. Lifelong learning can build this reserve at any age.
What to ask at the checkup
Ask whether cognitive stimulation programs or adult education would be beneficial
Screening: Years of formal schooling
Sources
Education and dementia in the context of the cognitive reserve hypothesis: a systematic review and meta-analysis of observational studies
Meng X, D'Arcy C. PLoS One, 2012.
People with fewer years of schooling had about double the dementia rate of the better educated.
Dementia prevention, intervention, and care: 2024 report of the Lancet standing Commission
Livingston G, Huntley J, Liu KY et al.. The Lancet, 2024.
Fourteen things people can change account for nearly half of dementia cases at the population level.
Routines for this factor
Do one crossword or word puzzle
Complete one crossword, Sudoku, or word puzzle.
15 min, difficulty 1/3
Read something aloud for five minutes
Read a newspaper article, a book chapter, or a recipe aloud.
5 min, difficulty 1/3
This is research information, not medical advice. Nothing here replaces your parent's doctor.