Kurt Greiner
The Whole-Stack Trap: Fewer Protocols Work Better
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Every protocol you add to your life has a compliance tax. The tax has four components: mental overhead (remembering to do it), scheduling friction (finding t… Read more…
Cyclic Sighing: A Physiological Reset That Works
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Most breathing techniques promise calm. Cyclic sighing delivers something different: a mechanical correction that your nervous system interprets as safety. T… Read more…
The Analog First Hour
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You have heard the advice before: do not check your phone in the first hour of waking. Keep the morning analogue. No email, no news, no Slack. Read more…
Why Information Overload Causes Decision Fatigue
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The standard explanation for information fatigue is cognitive overload. The idea is that your brain has a limited processing capacity and that excessive info… Read more…
What ‘Vitality Span’ Gets Wrong About Aging
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“Vitality span” is one of those terms that sounds meaningful and means nothing. It has no standard definition, no validated measurement protocol, and no clin… Read more…
The Gut-Brain Axis: What’s Real vs. Overstated
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The vagus nerve is a bidirectional highway running between your gut and your brain. That much is settled science. What most articles leave out is the directi… Read more…
