At first blush, it sounds like a sadistic joke that you need more stress in your life.“More stress?Screw you, nerd — my life’s already a flaming dumpster of deadlines, sleep deprivation, and caffeine-fueled anxiety. Why the hell would I want more?” I get it.You don’t need more Zoom calls, more rage from your boss, or more existential dread at 2 AM. But here’s the physiological plot twist:You do need more stress — just the right kind. The Right Kind of Stress Not All Stress Is Created Equal...
5 days ago • 5 min read
Beautiful Sunday here once again! I hope your Sunday is amazing. Heads up that the Phys Flex Cert will open tomorrow, Monday, Oct 13. Details will come in this newsletter. Here is what went down this week: Newsletters: 11 Common Questions About the Phys Flex Cert: Read my answers and let me know if you have others! Metabolic Flexibility vs Physiologic Flexibility—What’s the Difference?: Find out the difference between metabolic flexibility and physiologic flexibility, and why the next level...
7 days ago • 1 min read
Greetings from the caffeinated chaos of the Extreme Human Performance garage... Where the smell of cold plunge ozone mingles with espresso and the faint ghost of ammonia caps.This is where science meets absurdity—and somehow makes you feel better by lunchtime. Go online and you’ll find seventeen biohackers with no jobs, no deadlines, and no real sunlight.Pale skin. Blue-light glasses. Wi-Fi strong enough to livestream their “4-hour morning routine.”Bawwwww. They’ll rave about “stacking...
7 days ago • 3 min read
The Phys Flex Cert—How to maximize recovery techniques for better stress resilience—is opening this coming Monday! Today I wanted to do the top 11 questions I get on it. FAQ 1) When do I get the first module? Once the sales process closes and your logins have been established, you will be able to access the learning environment. Any trouble; email jodie AT miketnelson DOT com. 2) How long is the course? Right now, it is set at around 25 -30 total hours. That may change a bit as I am...
11 days ago • 2 min read
In this episode of the Flex Diet Podcast, I chat with Dr. Blaine Lints, a former Navy SEAL and performance physiologist, about boosting performance, muscle, and resilience through flexible strategies. We dig into his research on ketones, caffeine, and theacrine, plus his work using Ibogaine for TBI recovery. I also break down how physiologic flexibility ties it all together for next-level performance and recovery. If you’re into cutting-edge performance science, brain optimization, or just...
12 days ago • 1 min read
Happy Sunday with an insane nail-biter win by my Vikings and a great win by the Broncos today, too. The Phys Flex Cert opens up again on Oct 13. Tons of info about the course coming up this week Here is what went down this week: Newsletters: Death to Zombie Cells: Senolytics, Meathead Basics, and Donuts at Planet Fitness: When your sleep, nutrition, and training don’t suck, then you can start firing your lazy “zombie cells” with senolytic supplements. Here’s how I’m testing Qualia’s version...
14 days ago • 1 min read
Last week I told you about HDR—Human Dynamic Range—and how your physiology needs more range than a deathcore vocalist hitting banshee highs one second and sewer-pipe low growls the next. But here’s the uncomfortable truth:Almost nobody has the range. Yeah, sure, you can crank yourself up. Hit the smelling salts, blast Pantera, chug snort 2 scoops of old school DMAA pre-workou... ... That part’s easy. But then what? You’re left staring at the ceiling at 2am, nervous system fried, HRV tanked,,...
16 days ago • 1 min read
I just finished an amazing chat for a future podcast with my buddy Dr. Dan Pardi and we got talking about cell function—and that sparked this email about senolytic supplements. But first… Newsflash, Brosky – you can’t out-supplement the basics. If you have the aerobic capacity of a propranolol’ed possum, get thee to a Concept2 rower before we even talk. If your “nutrition plan” looks like a Hoover upright sucking up Pop-Tarts, fix that first. And if your sleep is an afterthought, like...
17 days ago • 2 min read
In this episode of the Flex Diet Podcast, I’m diving headfirst into the science of sleep with two heavy hitters—Dr. J Wiles and Dr. Jeff Dermer from Absolute Rest. We cover it all: why sleep is such a big deal from an evolutionary standpoint, how your modern lifestyle is probably trashing it, and what you can actually do to fix it. We dig into behavioral changes, the role of wearables versus legit lab sleep studies, and practical, no-BS strategies to get better shut-eye. Jay Wiles and Jeremy...
20 days ago • 1 min read