Story perspectives

Poor Diets Linked to Higher Dementia Risk, Study Finds

12/29/2025

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Summary

Story summary

A study in Current Developments in Nutrition links lifelong dietary quality to cognitive aging.
Using data from 3,059 participants in the 1946 British Birth Cohort, it finds poorer diets correlate with higher dementia risk.
Specifically, 8% of those with poor diets showed likely dementia, compared with 2.4% in the high-quality group.
The study identifies three dietary trajectories and four cognitive trajectories, with observational limitations and limited diversity.

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Story summary

A study in Current Developments in Nutrition links lifelong dietary quality to cognitive aging.
Using data from 3,059 participants in the 1946 British Birth Cohort, it finds poorer diets correlate with higher dementia risk.
Specifically, 8% of those with poor diets showed likely dementia, compared with 2.4% in the high-quality group.
The study identifies three dietary trajectories and four cognitive trajectories, with observational limitations and limited diversity.