Eat food. Not too much. Mostly plants.

…the "what to eat" question is somewhat more complicated for us than it is for, say, cows. Yet for most of human history, humans have navigated the question without expert advice. To guide us we had, instead, Culture, which, at least when it comes to food, is really just a fancy word for your mother.

The cook in the kitchen preparing a meal from plants and animals at the end of this shortest of food chains has a great many things to worry about, but "health" is simply not one of them, because it is given.