Nervous System

Understanding the science of regulation — from vagus nerve activation to polyvagal theory.

14 Articles
Elena Marsh · 12 min read

What Is Nervous System Regulation? A Complete Beginner's Guide

Your nervous system isn't broken — it's doing exactly what it was designed to do. Here's how to work with it, not against it.

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Elena Marsh · 14 min read

The Vagus Nerve: Everything You Need to Know About Your Body's Built-In Calm Button

The vagus nerve is the longest cranial nerve in your body — and learning to stimulate it may be the single most effective thing you can do for stress.

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Elena Marsh · 11 min read

Polyvagal Theory Explained: Why Your Body Has Three Stress Responses, Not Two

Fight or flight is only part of the story. Polyvagal theory reveals a third response that explains why you sometimes just shut down.

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Elena Marsh · 10 min read

What Is Somatic Experiencing? A Practical Guide to Body-Based Stress Relief

Somatic experiencing works with the body's natural ability to heal from stress and trauma. Here's how it works and how to start.

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Elena Marsh · 9 min read

The Cortisol-Oxytocin Swap: Why Physical Touch Is the Fastest Stress Antidote

Science shows that physical touch triggers an immediate hormonal shift from stress to calm. Here's the biology behind it.

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Elena Marsh · 8 min read

10 Ways to Activate Your Parasympathetic Nervous System in Under 5 Minutes

Quick, evidence-based techniques to shift your nervous system from fight-or-flight to rest-and-digest.

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Elena Marsh · 10 min read

The Freeze Response: When Your Body Shuts Down Under Stress

When fight or flight isn't an option, your body has a third strategy. Understanding the freeze response is key to healing from it.

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Elena Marsh · 11 min read

Emotional Regulation 101: Skills Your School Never Taught You

Most of us were never taught how to regulate our emotions. These evidence-based skills can change how you respond to stress.

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Elena Marsh · 13 min read

Heart Rate Variability: The Stress Metric You Should Be Tracking

HRV is one of the most reliable biomarkers for nervous system health. Here's what it measures and how to improve yours.

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Elena Marsh · 9 min read

Your Window of Tolerance: Why Some Days Everything Feels Like Too Much

The window of tolerance explains why your capacity for stress changes day to day — and what you can do to widen it.

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Elena Marsh · 10 min read

What 'Trauma-Informed' Actually Means (And Why It Matters for Your Wellness Routine)

The term is everywhere, but most people misunderstand it. Here's what trauma-informed wellness actually looks like in practice.

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Elena Marsh · 12 min read

PTSD vs. Complex Trauma: Understanding the Spectrum of Stress Responses

Not all trauma responses look the same. Understanding the difference between PTSD and complex trauma changes how we approach healing.

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Elena Marsh · 8 min read

Self-Care vs. Self-Regulation: Why Bath Bombs Won't Fix Your Nervous System

Self-care and self-regulation are not the same thing. One makes you feel good temporarily; the other actually changes your stress response.

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Elena Marsh · 9 min read

12 Grounding Techniques for When Anxiety Hits Hard

When anxiety spikes, grounding brings you back to the present moment. These 12 techniques work even during a panic attack.

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