A green Mediterranean diet, high in polyphenols and low in red and processed meat, seems to slow age-related brain atrophy. Ben Gurion University researchers led an 18-month international randomized control trial on 300 participants – one of the world’s longest and largest brain MRI trials.
https://in.bgu.ac.il/en/pages/news/green_med.aspx
https://academic.oup.com/ajcn/advance-article/doi/10.1093/ajcn/nqac001/6503596?login=true