In my last newsletter told you why your physiologic buffer zone can shrink with age.

A lot of the stress chewing through that buffer are thing you didn’t sign up for it.

The economy is a toddler juggling chainsaws.

The news is a 24-hour panic buffet.

Your inbox has apparently figured out how to reproduce without supervision.

And your nervous system is trying to figure out whether that email marked “urgent” is an actual threat or another meeting that could have been a nap.

Here’s the nasty twist: unpredictable, uncontrollable stress can hit especially hard. You can’t always stop it, and you sure as hell can’t schedule it neatly between leg day and dinner.

But you do have one lever: the stressors you choose on purpose.

Not random suffering. Not collecting misery points like you’re chasing a leaderboard nobody wants to win.

A challenge with a purpose. And an exit plan.

Your Physiology Runs On Stress Response

Your body doesn’t adapt because you made life comfortable. It adapts when a challenge sends a signal and you recover well enough to respond.

No challenge, not much reason to adapt.

Too much challenge, and you’re just digging a deeper hole with a more expensive shovel.

Stress is like tequila. The dose matters. A little might make for a good story. Way too much, and you wake up in a ditch asking who stole your pants..er, so they tell me.

The skill isn’t avoiding every hard thing. It’s choosing the dose.

Here’s Your Move

Choose some hard things while you still have your hands on the steering wheel.

Intervals you programmed, with enough quality left to make the last rep count.

Cold you step into voluntarily, and step out of before you become a shivering science experiment.

Heat you use as a signal, not an audition for a survival show. Maybe a strategically placed fast, if it actually fits you.

Those are controlled inputs. Not a guarantee that life stops being ridiculous, but a way to practice responding to challenges you can dose and recover from.

There’s a psychological bonus, too: choosing a challenge can give you back some sense of control. You’re not promising your brain the world will behave.

You’re reminding it: “I still get a vote.”

That is a big part of what the Physiologic Flexibility Certification teaches: how to use the four regulators—temperature, pH, fuel, and breathing—and adjust the dose to the actual person, their age, and their recovery. Not some imaginary superhero living inside a spreadsheet.

There’s also a more manageable payment plan available at checkout.

>> Phys Flex Certification <<

Two Clocks Are Running

Tonight, Friday, October 16, at 11:59 p.m. Pacific: the 4.5-hour Ask Me Anything audio-series bonus expires.

The world is going to keep being the world. The question is whether you’re deliberately building more capacity to handle your share of it.

Much love and chose hard things,

Dr Mike

P.S. You cannot control the chaos. But you can choose a training stressor that fits your life instead of letting every surprise flatten you. The bonus goes away tonight: >> Phys Flex Certification << AMA bonus ending soon

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Mike T Nelson CISSN, CSCS, MSME, PhD
Associate Professor, Carrick Institute
Owner, Extreme Human Performance, LLC
Editorial Board Member, STRONG Fitness Mag

Mike T Nelson is a PhD and not a physician or registered dietitian. The contents of this email should not be taken as medical advice. It is not intended to diagnose, treat, cure, or prevent any health problem - nor is it intended to replace the advice of a physician. Always consult your physician or qualified health professional on any matters regarding your health.

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