All factors

Less education

Fewer years of formal education is associated with a 40-60% higher dementia risk, likely through reduced cognitive reserve.

Population risk1.7%
Evidence grademeta analysis

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

Dementia prevention, intervention, and care: 2024 report of the Lancet 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.

Education and cognitive decline: A systematic review and meta-analysis

Meng X, D'Arcy C. Psychological Medicine, 2012.

More years of schooling was linked to a substantially lower dementia risk later in life.

DOIAbstract only

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