Nervous System Reset: Do THIS Every Day to Rewire Your Brain From Stress and Anxiety

April 27, 2026

AI Summary

5 min read

Dr. Nadine Burke Harris, a pediatrician and former California Surgeon General, explains on the Mel Robbins Podcast how adverse childhood experiences (ACEs) wire the body's stress response, leading to reactive patterns in adulthood like emotional flooding, shutdowns, or chronic health issues. Even without overt trauma, common childhood stressors create an overactive stress system that drives behaviors in relationships, work, and self-regulation, but targeted buffering can rebalance it.

Adverse Childhood Experiences and Their Reach

ACEs encompass 10 categories from the landmark CDC-Kaiser study of 17,500 people: physical, emotional, or sexual abuse; physical or emotional neglect; and household challenges like parental mental illness, substance dependence, incarceration, divorce, or intimate partner violence. Two-thirds of people have at least one ACE; one in six have four or more. Risks scale dose-dependently: four or more ACEs raise odds of depression 4.5 times, alcoholism seven times, heart disease 2.5 times, even after accounting for smoking or inactivity, which explain only half the effect. The rest stems from biological changes like heightened inflammation and immune activation from unbuffered stress. Burke Harris saw this in patients, like a seven-year-old boy whose growth stalled after sexual assault at four; therapy normalized his stress hormones, restarting growth

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What you'll learn

1 (00:09) **Episode Intro: Emotional Reactivity from Childhood** - Mel describes adult triggers like emails or conflicts stemming from childhood stress patterns
2 (05:10) **Life Changes from Applying Trauma Science** - Stress stops driving life; better health, relationships, and balanced living
3 (08:14) **Defining Trauma** - Trauma is body's response to overwhelming stress, not the event itself
4 (09:35) **Dr. Burke Harris's Origin Story** - Clinic observations link ADHD, growth arrest to trauma in underserved kids
5 (14:15) **Adult Manifestations of Childhood Trauma** - Shows in relationships via snapping, shutdowns, or physical symptoms like headaches
6 (17:51) **Top 10 Adverse Childhood Experiences (ACEs)** - Abuse, neglect, household dysfunction like mental illness, divorce, violence
7 (22:13) **What is Buffering?** - Interventions to re-regulate overactive stress response back to baseline

+ Full timestamped outline available in the app

Show Notes

What you learn today will make you forever calmer and more in control of your emotions.

If you’ve ever had a moment where you thought:
“Why does one email, one comment…ruin my day?”

“Why do I always get overwhelmed by the littlest things?”

“Why am I like this?”
This conversation gives you the answer.

In this episode, Dr. Burke Harris explains why so many of the patterns you hate, like being reactive, shutting down, people-pleasing, not being able to follow through, and feeling dread for no reason, are not your “personality flaws” – and give you the truth.

Dr. Nadine Burke Harris, MD is one of the most important voices in trauma science and public health. She’s a pediatrician, who conducted pioneering research on Adverse Childhood Experiences (ACEs), the founder of the Center for Youth Wellness, and the former Surgeon General of the State of California.

She is here to tell you that your body is running an overactive stress response that got wired in childhood, and never got turned off.

Dr. Burke Harris gives you research-backed tools that help your body re-regulate, calm down, and feel safe, so stress stops driving your life.

You will be able to start rewiring your nervous system today, with one powerful, 3-word sentence you can say to yourself. It takes less than a few minutes and reverses the feelings that make life harder than it should be.

In this episode, you’ll learn:

-Why you shut down sometimes, get emotional, “triggered”, or overwhelmed (and why it’s not your fault)

-Why you procrastinate even when it feels bad
-How childhood trauma affects health across a lifetime
-Why trauma is (Mel had it wrong for decades) and how childhood trauma is keeping you stuck
-How to help your body return to balance after being upset
-The 3 essential words that rewire your nervous system
-The 7 evidence-based things you can do to regulate your nervous system
-How to support someone you love who’s stuck, shut down, or overwhelmed in their life

This episode is hopeful, practical, and empowering.

You will get a playbook that helps you rewire your nervous system so you feel less stress and more in control of your emotions.

When you finally understand what’s happening in your body, you can have a different life.

For more resources related to today’s episode, click here for the podcast episode page.

If you liked the episode, check out this one next: Why You Feel Lost in Life: Dr. Gabor Maté on Trauma & How to Heal

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