Guild of the Wild

The Frontier of Human Possibility. Field Tested. Truth Told.

Field Notes from the Edge of Performance

Field Notes publishes when there's something worth saying

Frontier Science, Longevity, and Adventure

Featured

You're Not as Resilient as You Think. Here's the Test.

Apr 28, 2026

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3 min read

You're Not as Resilient as You Think. Here's the Test.

Why most high performers have optimized themselves into a fragile corner and break down when something unexpected happens.

Dr. David Heitmann DC, MS

The desert broke me at mile 44. I took notes the whole way down.

Apr 21, 2026

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3 min read

The desert broke me at mile 44. I took notes the whole way down.

Why Guild of the Wild exists, what's coming, and what you just joined.

Dr. David Heitmann DC, MS

Articles

Credit Cards Worth of Microplastics Debunked — Researchers Contaminated Samples With Gloves

Jun 8, 2026

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7 min read

Credit Cards Worth of Microplastics Debunked — Researchers Contaminated Samples With Gloves

The Microplastics Panic Is Built on Bad Science. That Doesn't Mean Plastic Is Fine. The influencers filling bags of plasma on camera, the credit card headlines, the brain tissue studies... here's what's actually happening and what I actually think you should do about it.

Dr. David Heitmann DC, MS

You're Solving the Wrong Problem with weight-loss

May 26, 2026

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7 min read

You're Solving the Wrong Problem with weight-loss

Metabolic software, triple-receptor sledgehammers, flow states at COTA, and why Japan's wellness spend is flat

Dr. David Heitmann DC, MS

May 25, 2026

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11 min read

Culture Is Metabolic Software

Japan's ultra-low obesity flat line isn't about discipline or genetics. It's about what happens when a culture survives industrialization with its biological architecture intact.

Dr. David Heitmann DC, MS

May 18, 2026

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6 min read

Movement still cheats death.

Longevity drugs, wearable AI, a racing driver chasing Le Mans, and why movement still beats everything.

Dr. David Heitmann DC, MS

Longevity Drug Rapamycin Didn't Beat Exercise in First Human Trial

May 18, 2026

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3 min read

Longevity Drug Rapamycin Didn't Beat Exercise in First Human Trial

Rapamycin, mTOR, and human longevity: what the first crowdfunded clinical trial actually found, why the results surprised everyone, and what it means for the future of anti-aging science.

Dr. David Heitmann DC, MS

Healthcare's iPhone Moment...The System Just Broke Open

May 17, 2026

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7 min read

Healthcare's iPhone Moment...The System Just Broke Open

Google Fitbit Air, WHOOP telehealth, and why this changes everything. The gap between what the wealthy knew about their bodies and what everyone else had just closed.

Dr. David Heitmann DC, MS