Childhood book environment

Childhood book environment is associated with cognitive trajectory in humans.

“Book-rich environments are also associated with a more favorable cognitive trajectory over time, particularly for more educated adults”

Humansparticularly for more educated adultsn = 86,619

Early Book Access and Cognitive Aging: Longitudinal Evidence on Cognitive Advantages and Rates of Decline

Journal of aging and health·5 Feb 2026

Childhood book environment is associated with cognition levels in humans.

“even modest childhood access to 11-25 books is associated with higher overall cognition levels, independent of education and other covariates”

Humansindependent of education and other covariates11-25 booksn = 86,619

Early Book Access and Cognitive Aging: Longitudinal Evidence on Cognitive Advantages and Rates of Decline

Journal of aging and health·5 Feb 2026