Your Body Still Lives in the Ancient World

I have a theory that the way our bodies are built is adapted to the ancient world.

Author: Koutian Wu; GitHub: ktwu01

If we want our best working state, we should follow something like an ancient strategy. We should relax the ancient way and lean on methods that really return to nature, so the body can run at its truest and highest efficiency, instead of only following the rhythm of modern life.

Do you know the feeling? You work hard, you sleep fine, you are not sick, and you are still tired. Not the tired after a hard workout, but a chronic tired that no amount of rest seems to fix.

I don’t think that is entirely your fault. Your body and modern life are mismatched.

Do the math. Homo sapiens appeared roughly 300,000 years ago. Agriculture started about 10,000 years ago, the industrial revolution a little over 200. Desk work, constant air conditioning, food on demand and artificial light around the clock have been common for only a few decades. On an evolutionary clock that is less than a blink. Your hormones, your nerves, your whole physiology were built for walking a lot, going hungry often, living through changing temperatures, and losing the light at sunset.

In Antifragile, Taleb sorts things into three kinds. Fragile things get worse under shocks, robust things stay the same, antifragile things get stronger. The human body is antifragile. Muscle grows after it is torn, bone stays dense because it takes impact.

The catch is that the body wants acute stress, not chronic stress.

Acute stress comes hard and leaves fast. A hunt was all-out, and back at camp there was real rest, no emails, no deadline chasing anyone. Chronic stress is mild and never leaves. The deadline is always there, your boss might message at any moment, your GPA needs watching, applications need preparing. You lie in bed thinking about tomorrow’s tasks, you scroll your phone while eating, and your body never gets the signal that the danger is over and repair can start.

So modern life hits twice. It removes the acute stress you need, no temperature swings, no hunger, no hard physical effort, no sunrise and sunset light cycle. And it fills you up with chronic stress you do not need.

I am not telling you to go back to the stone age, nobody can. I am saying that once you know what environment your body was designed for, you can rebuild small pieces of it inside modern life. No tiger needs to chase you, but you can do high-intensity intervals. You do not need to starve for three days, but you can stretch the hours between meals. You do not need to sleep in the snow, but you can take a cold shower. You do not need to go to bed at sunset, but you can dim the lights and step away from screens at night.

What these share is adding a little acute stress on purpose while lowering the chronic kind. They give the body a clear rhythm, full effort now, full rest now.

When you feel tired, the problem may not be that you are not trying hard enough. You may be trying hard in a way your body was never built for.