365 Changes

Ancestor Test

Written by

Craig Constantine

in

If the answer to either question is no, you’re probably eating something your body wasn’t designed to process regularly. This isn’t about romanticizing the past—it’s a quick heuristic for identifying modern foods that exploit your biology. Your great-great-grandmother’s diet wasn’t perfect, but it didn’t include engineered products designed to override your satiety signals.

This companion explores the logic of the test, what passes and what fails, the daily access question, the evolutionary mismatch, and what this doesn’t mean. (5 min read)

One thought like this, every morning.

You don’t need more information about eating. You need the right idea to show up at the right time — before hunger, before decisions, before habits kick in.

Every morning, 365 Changes sends you one. Not a meal plan. Not a rule. Just a question or idea to sit with while you make coffee. Each one is simple, but they accumulate — and slowly, the way you think about eating starts to shift.

Get the daily prompt — it’s free:


Learn more about the daily prompt.

There’s more to read here — a companion essay that goes deeper into this topic. It might explore why willpower fades by evening, how your kitchen layout shapes what you eat, or what it really means to become someone who simply eats well. Each one takes a few minutes and leaves you thinking.

There are 87 of them across five areas — identity, environment, knowledge, decisions, and troubleshooting — and a Reader membership unlocks them all.

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