[bmajz]

It's great that Five Thirty Eight called out the lack of rigor behind these studies. Most of them are indeed shoddy. However, that's not to say that we don't have a pretty good general idea of what's good for you. Here's a pretty well-balanced article on the topic, with this awesome TL;DR:

“Eat food. Not too much. Mostly plants.”

https://www.nytimes.com/2015/04/21/upshot/simple-rules-for-h...

[HelloMcFly]

That line by Michael Pollan is the most universally applicable line to any diet. My grandmother had a similar saying: "Beans and greens first, everything else second."