The positive impact a Mediterranean diet could have on brain health

Mediterranean food could have a positive effect on brain health - (Getty Images/iStock)

A Mediterranean diet, rich in vegetables, berries, nuts, and olive oil, could significantly slow down brain ageing, a long-term study suggests.

Experts observed this effect over more than a decade in people whose diet featured lots of vegetables, fruit, nuts, fish, beans, olive oil, and poultry, with a "moderate intake" of wine, while limiting red meat, fried foods, and sweets.