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If people took a high-tech test and were told that that advice was personalized, imagine how much better compliance would be though.

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So like a very expensive placebo?

Not quite.

Right now there's a lot of confusion. Is gluten a problem for me, or dairy, or fat, or sugar, or alcohol, or caffiene? It's easy to get overwhelmed.

If you eliminate everything that might be bad for you, there's not a lot left. There's a lot of value in specificity because it's actionable.

I suppose I just fundamentally don't agree with you about the confusion existing in the first place. Here's my understanding. All of those things are fine, in moderation, unless you have a specific medical condition against something. Except for alcohol: that's just bad for you in proportion to the amount you drink. And that's already with existing research, as far as I know, I might not like it but I don't get overwhelmed.

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