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blaisepascal
This is a hypothetical start to a nutrition article, and is intentionally incomplete

I have become convinced that, while people are constantly searching for simple answers to how to eat healthy, there are no simple answers. That doesn't stop people from demanding them, though, and there are always going to be people willing to sell them something simple.

Take Michael Pollan, for instance. He's a journalist (not a nutritionist, dietician, or food scientist) who has become famous for pushing an 8-word prescription for healthy eating: "Eat food, less of it, and mostly vegetables". This seems simple, but the first part of it, "Eat food", is heavily loaded and requires a separate definition of what "food" is, which itself is politically charged.

Even the standard reductionist/nutrientist based method is complicated. Here's an example:

There are 6 major nutrients: carbohydrates, fats/lipids, proteins, vitamins, minerals, and water. Eating healthy is a matter of balancing your intake of these nutrients while making sure you get enough of the nutrients your body needs.

But...

There are many types of carbohydrates, which the body processes differently.
There are many types of fats, which the body processes differently.
There are many types of proteins, which the body processes differently.
There are many types of vitamins, which the body processes differently.
There are many types of minerals, which the body processes differnetly.
There are many types of wat-- OK, there's only one type of water.

...

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Water comes in regular and heavy, of which we can drink the former. It also comes in still and fizzy, of which we can drink both.

"Eat food. Not too much. Mostly plants" really is a pretty good start. We eat too much. Not too much this or that, but too much, period. I think it's also important to note that he never says "Don't eat meat," as Mark Bittman essentially does. (And then he shows us delicious ways to prepare meat.)

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