Overview
- Higher adherence to the MIND diet, a pattern rich in leafy greens, berries, nuts, beans, fish and olive oil, was associated with slower loss of brain tissue on repeated MRI scans in a large cohort.
- Researchers reported that every 3‑point increase in MIND score aligned with about 20% less gray‑matter decline, roughly a 2.5‑year delay in brain aging, and slower ventricular enlargement equal to about a 1‑year delay.
- The analysis drew on more than 1,600 adults around age 60 from the Framingham Offspring cohort, using food‑frequency questionnaires and serial MRIs, and the authors stressed the findings show association, not proof of causation.
- A separate study found that people who carry the APOE4 gene variant saw slower cognitive decline with higher unprocessed‑meat intake, pointing to genetic differences that may complicate one‑size‑fits‑all diet advice.
- Commentators say the evidence strengthens the case for diet as a modifiable risk factor, yet they call for longer, diverse randomized trials and recommend pairing healthy eating with exercise, sleep, social connection, and blood‑pressure control.