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What Is Anxiety? Understanding What's Really Happening in Your Body

  • Harriet Midwood
  • Mar 25, 2025
  • 3 min read

Updated: Feb 6

Anxiety feels like:


  • Your mind racing with worst-case scenarios

  • A tightness in your chest that won't ease

  • Constant worry about things that haven't happened yet

  • Feeling on edge, even when nothing is "wrong"


But what is anxiety, really?


Anxiety Is Your Body's Alarm System


At its core, anxiety is your nervous system's threat detection system working overtime. It's not a character flaw. It's not weakness. It's not you being "too sensitive."


Anxiety is your body trying to protect you.


Your nervous system perceives danger—real or imagined—and activates your stress response. Your heart races. Your breathing quickens. Your muscles tense. You become hyper-alert, scanning for threats.


This response kept our ancestors alive when faced with actual physical danger. The problem? Your nervous system can't tell the difference between a lion and a looming work deadline.


Why Anxiety Feels So Overwhelming


When you're anxious, your body is genuinely experiencing a threat response. The physical sensations are real:


  • Racing heart → Your body preparing to run

  • Tight chest → Shallow breathing from stress activation

  • Churning stomach → Digestion shutting down to redirect energy

  • Tense muscles → Ready to fight or flee

  • Racing thoughts → Your brain scanning for danger


You're not imagining these sensations. Your body believes you're unsafe, so it's doing exactly what it's designed to do: protect you.


The Mind-Body Loop


Here's where it gets tricky: anxiety creates a loop.


Your body feels anxious → Your mind notices and creates worried thoughts → Those thoughts make your body more anxious → Your mind interprets this as proof that something is wrong → More anxiety.


You can see why trying to "just think positive" doesn't work. You're trying to use your mind to override what your body genuinely believes is a threat.


What Anxiety Is Trying to Tell You


Anxiety isn't random. It developed for a reason.


Maybe it:

  • Kept you vigilant in an unpredictable environment

  • Helped you avoid rejection or criticism

  • Pushed you to be perfect so you'd be acceptable

  • Protected you from disappointment by expecting the worst


Anxiety is information. It's your nervous system's way of saying: "I don't feel safe."


The question isn't "How do I get rid of anxiety?"


The question is: "What does my nervous system need to feel safe?"


Different Types of Anxiety


Anxiety shows up in different ways:


  • Generalised anxiety → Persistent worry about multiple things

  • Social anxiety → Fear of judgment or embarrassment in social situations

  • Panic attacks → Sudden, intense physical symptoms that feel like a medical emergency

  • Health anxiety → Constant worry about having a serious illness

  • Performance anxiety → Fear of failure or not being good enough


The symptoms vary, but the root is the same: your nervous system is stuck in threat mode.


Here's What Anxiety Isn't


  • It's not your fault

  • It's not a sign you're "broken"

  • It's not something you can just "snap out of"

  • It's not permanent

  • It's not who you are—it's something you're experiencing


The Path Forward


Understanding what anxiety is doesn't make it disappear. But it's the first step.


When you recognize that anxiety lives in your body—not just your thoughts—you can start working with it differently. Instead of fighting it or trying to think your way out, you can:


  1. Notice where it lives in your body

  2. Listen to what it's trying to protect you from

  3. Regulate your nervous system to create physiological safety

  4. Integrate new patterns so your body learns it's safe to feel calm


This isn't about eliminating anxiety. It's about understanding its message, meeting your body's needs, and teaching your nervous system that you're safe.


You're Not Alone


If you're struggling with anxiety, you're far from alone. It's one of the most common reasons people reach out for support—and one of the most treatable.


You don't have to live in constant fight-or-flight mode. You don't have to white-knuckle your way through every day.


There's a different way. And it starts with understanding that anxiety isn't the enemy—it's a messenger. And when you learn to listen with compassion instead of fear, real change becomes possible.


Want to learn how to work with your anxiety instead of against it? Book a free 20-minute call to explore whether my body-first approach is right for you.

 
 
 

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Comments


You don't have to keep fighting yourself

The anxiety, the inner critic, the feeling that something's missing - it can shift. Not through more insight, but through integration. Not by becoming someone else, but by finally accepting all of who you are.

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