Omega-3 fatty acids, particularly EPA and DHA, are crucial for brain health and were consumed at higher levels ancestrally.

“so omega-3 like we're talking about some other nutrients we're eating like maybe an order of magnitude less of that than what we did in our evolutionary experience some people argue or you know when we get access to shellfish and seafood is when our brain expanded you know three or four hundred thousand years ago or so that omega-3 you know like 20 of the dry weight of the brain is polyunsaturated fats and its favorite polyunsaturated fat to plug into those membranes and the neurons is a dha epa is also you know another super important omega-3”