This 9,000-Year-Old Ritual Cleared 15 Years Of Brain Fog : 1460
The Human Upgrade: Biohacking for Longevity & Performance
Dave Asprey
4.6 • 7.4K Ratings
🗓️ 3 May 2026
⏱️ 19 minutes
🧾️ Download transcript
Summary
I spent fifteen years living with brain fog until I realized the problem wasn’t in my brain, but in a nervous system stuck in a survival mode that pulls energy away from focus and memory.
In this video, I explain why "trying harder" or popping supplements rarely works, and instead, I show you the 9,000-year-old ritual of heat and cold that pulls your body out of stress mode so clarity can actually return.
I break down the specific science of how I use infrared wavelengths and contrast therapy to retrain the brain to stay calm under pressure, moving beyond temporary fixes to target the root cause of mental fatigue.
Follow this protocol to finally complete your body's stress cycles, reset your biological default settings, and reclaim the lasting mental performance you’ve been missing.
00:00 – Introduction
01:02 – What Brain Fog Really Is
03:00 – Why Trying Harder Doesn't Work
04:51 – Supplements: Useful But Not Enough
06:14 – Why Sauna Works
07:32 – Infrared vs Traditional Sauna
08:02 – Sunlighten Sauna Overview
09:28 – Sauna Routine & Protocol
10:34 – Why Home Access Matters
11:41 – Post-Session Recovery
12:11 – Contrast Therapy
13:11 – How to Do Contrast Therapy
13:54 – Closing & Takeaways
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Transcript
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| 0:00.0 | Your hair is a sign of how healthy you are. |
| 0:03.0 | So what actually works if you want to grow new hair? |
| 0:07.0 | There are tons of products that sound good on paper, but they really don't do much in practice. |
| 0:12.0 | IRIS store is different because it is powerful and it's targeted and it's light therapy. |
| 0:17.0 | Your hair follicles directly absorb the light energy, which means blood flow |
| 0:21.4 | increases, and that means dormant hair follicles can wake back up. The elite delivers that through |
| 0:27.1 | 300 lasers and 200 LEDs directly to your scalp. And it takes an easy 12 minutes a day. And you |
| 0:35.1 | can wear it while you're working working while you're doing chores around the |
| 0:37.6 | house. And the clinical results from it are amazing. Double-blind study, 100% of participants grew more |
| 0:43.9 | hair. In four months, their hair count increased an average of 43.2%. And this thing really works. |
| 0:49.7 | Plus, you get a 12-month money-back guarantee. Try it for a year and see what happens, and you'll like it. |
| 0:56.2 | Spring savings is happening right now. |
| 0:58.0 | So go to irisor.com. |
| 0:59.7 | Use code Dave and get an exclusive discount on the elite. |
| 1:02.6 | That's irisore.com. |
| 1:04.2 | Code Dave. |
| 1:07.8 | Imagine relaxing and connecting with friends without touching an ounce of alcohol. |
| 1:12.6 | Alcohol is toxic no matter how you slice it. It wrecks your sleep, |
| 1:17.6 | trashes your mitochondria, and accelerates aging. There's a better way to relax without the toxic load. |
| 1:24.6 | People in the South Pacific have used Kava for over 3,000 years for stress relief, |
| 1:30.3 | mental performance, and social connection, all while supporting brain health and longevity. |
| 1:35.3 | That's why I'm excited about True Kava's new instant powders. For the first time, you can get the authentic, |
... |
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