An international study led by Israel’s Ben-Gurion University scientists showed controlling blood sugar levels is a significant key mechanism linking diet to slower brain aging. The 300-participant study was one of the longest and largest brain MRI trials in the world.
https://www.ynetnews.com/health_science/article/sygjvxrzje
https://www.sciencedirect.com/science/article/pii/S0002916524007457