APOE4 carriers who consumed high amounts of fatty fish and leafy vegetables had substantially less disease in their 60s compared to those who did not.

“we looked at epidemiology studies and found you know a relatively large epidemiology study from finland suggesting that e4 carriers who consumed a good amount of fatty fish combined with red leafy vegetables antioxidants when you looked at these individuals two decades or more into the future when they were 60 those who were consuming the highest amounts of omega-3s from fish and other sources in the diet had substantially and significantly less disease than those who were not”