50 Percent Slower Brain Aging Linked to Blood Sugar Control on a Mediterranean Diet

A new study shows a diet high in polyphenols, green tea, and duckweed may preserve a ‘younger’ brain.

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Changing your diet could help preserve your brain as you age, a new study suggests. Researchers found that following a Mediterranean-style diet rich in green plants, tea, and nuts may slow age-related brain shrinkage by as much as 50 percent.

The key appears to be maintaining healthy blood sugar levels.