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The Hard Truth About Easy Exercise (And Why Your Midlife Brain Is Asking for More)

  • Writer: Jennifer Berryhill
    Jennifer Berryhill
  • Dec 20, 2025
  • 5 min read

Updated: Jan 2


I used to think I was doing everything right.

Walking 10,000 steps a day. Taking the stairs when I could. Parking far from the store entrance. All those little movements that fitness trackers celebrate with confetti animations and cheerful badges.


And yet, during my worst menopause years, I still felt like I was moving through fog. My energy was shot. My body felt... heavy. Different. Like it was working against me instead of with me. Almost like I was wearing a wet blanket over my shoulders constantly, and my recovery from exercise suddenly took so much longer than in the past (and I'm a trainer!).


Here's what I didn't understand then: my body was literally asking for something different. Something harder. Something that made me breathe so hard I couldn't chat. And it turns out, science is now backing up what my body was trying to tell me.


The Research That Made Me Rethink Everything

New research using actual wearable device data (not just people guessing how much they moved) shows something pretty remarkable: one single minute of truly vigorous activity delivers the same health benefits as 4-10 minutes of moderate activity or up to 150 minutes of light movement.


Read that again. One minute versus 150 minutes for the same outcome.

For those of us navigating midlife—when our brains are already dealing with fluctuating hormones, when our metabolism has other ideas, when everything feels harder—this is game-changing information.


Enter VILPA: The Movement Pattern You're Already Doing (Just Not Enough)

Researchers have given these brief, hard bursts a name: VILPA, which stands for 'Vigorous Intermittent Lifestyle Physical Activity'. It's basically a fancy term for those 1-2 minute moments when you actually push yourself during regular life—not in a gym, not in workout clothes, just living.

Sprinting up a flight of stairs because you're running late. Chasing your grandkids around the backyard. Running to catch the bus. That moment when you're carrying groceries uphill and you just power through it.


The researchers studying this pattern found something remarkable: people who did about 4-5 minutes per day of these scattered, hard efforts—but who did zero formal exercise—reduced their risk of dying from any cause by about 30% over seven years. Just from those brief moments of huffing and puffing during regular life.

This isn't about becoming an athlete. It's about recognizing that those moments when you're breathing hard? They matter more than we ever realized.


What "Vigorous" Actually Means (And Doesn't Mean)

First, let's clear something up. Vigorous doesn't mean you need to become a CrossFit athlete or train for an ultra-marathon.


Vigorous means: you're breathing hard. You can't really hold a conversation. Your heart rate is genuinely elevated. Think running up a flight of stairs fast, chasing your grandkids around the yard, sprinting to catch a bus, or cycling hard up a hill.


Here's the surprising part: a lot of what trainers call "Zone 2 cardio"—that sweet spot where you're working but not dying—actually counts as vigorous in these studies. So if you're already doing some cardio that feels challenging, you're probably getting there.


Why Your Midlife Brain Needs This

I talk a lot about brain health with my clients, and here's where this gets really interesting for us. Vigorous movement doesn't just protect your heart—it's one of the most powerful tools we have for brain health.


Hard efforts trigger your body to:

  • Build new mitochondria (your cells' power plants—crucial when menopause is already messing with your energy)

  • Improve how your body uses insulin (critical for brain function and that blood sugar rollercoaster many of us ride)

  • Increase blood flow to your brain in ways that gentler movement just doesn't match

  • Even potentially help your immune system clear abnormal cells more effectively

That brain fog you're experiencing? The afternoon energy crashes? The feeling like you're not as sharp as you used to be? Vigorous movement is one of the fastest, most effective interventions we have.


The Part That Actually Made Me Cry (In a Good Way)

Five minutes. Not hours at the gym. Not elaborate workout programs. Five scattered minutes of actually pushing yourself during your regular day.

For midlife women who are already overwhelmed, already tired, already doing too much? This isn't adding another burden. This is permission to skip the hour-long walk and instead do something quick and hard.


What This Actually Looks Like in My Messy, Regular Life

Here's my honest approach, and what I suggest to clients:

In the morning: I sprint up my stairs twice. Hard. Like I'm late for something important. That's maybe 40 seconds total.

Midday: If I'm out walking, I'll do three 20-30 second bursts of actual running. Not jogging. Running. Or I'll find a hill and attack it.


Throughout the day: I look for hills. I look for stairs. When I see them, I attack them. I literally run up the parking garage stairs instead of taking the elevator.

During workouts: If I'm already doing something—biking, rowing, even a brisk walk—I'll throw in 60-90 second bursts where I go genuinely hard. Then recover and do it again.

Total vigorous time? Maybe 5-7 minutes across the whole day. Not consecutive. Not requiring special equipment or gym time.


The Part Where I Tell You the Truth

Will this feel uncomfortable at first? Yes. Will you be breathing hard? Absolutely. Will it be harder than a leisurely walk? Of course.

But here's what else is true: feeling strong again is uncomfortable at first too. Getting your brain back online after years of fog is uncomfortable. Refusing to accept that "this is just how it is now" is uncomfortable.


I'm not interested in comfortable. I'm interested in what actually works.

And for midlife women whose bodies are already changing in ways we didn't sign up for, whose brains need all the support they can get, whose energy reserves feel depleted—this is one of the most efficient, effective tools we have.


Start Where You Are

If you haven't done anything vigorous in years, start with one thing. One flight of stairs, climbed quickly. See how that feels. Do it again tomorrow.

If you're already active but it's all moderate, add one 60-second hard interval to whatever you're already doing.



If you're dealing with joint issues or other limitations, vigorous for you might be swimming hard for 30 seconds, or using a bike, or resistance training with genuine effort.

The point isn't to match someone else's vigorous. It's to find YOUR vigorous—the intensity where you're breathing hard and couldn't chat easily if someone asked you a question.


The Bottom Line

Current exercise guidelines are way behind the science. They're still telling us one minute of hard work equals two minutes of moderate work, when the actual data shows it's more like one minute equals 4-10 minutes, depending on what health outcome you care about.

For those of us navigating midlife brain changes, this matters. We don't have endless time or energy. We need approaches that actually move the needle without moving into our entire day.



A few minutes of genuine effort, scattered through your day, might be one of the most powerful things you can do for your brain, your longevity, and how you feel right now.

Not hours. Minutes.

Your body is asking for this. Your brain needs this. And unlike so many things about midlife, this one is actually in your control.


Want to learn more about building a brain-healthy lifestyle that works with your midlife body instead of against it? Let's talk about what vigorous movement could look like for you specifically. 1:1 Coaching


This content is protected by copyright law. No portion of this article may be reproduced, distributed, or transmitted in any form without written permission. For inquiries about sharing or republishing, contact info@jenniferberryhillwellness.com.

 
 
 

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