Why Should I Care About My Vagus Nerve?
The vagus nerve is having a moment. Social media is full of wellness influencers talking about their vagal tone and podcasters are discussing how to optimize it as a performance hack. There are vagal tone sprays and oils (I was gifted one that I love. Does it help my vagal tone? I have no idea, but it smells heavenly.)
Or you might be like my friend who thought I was talking about an entirely different part of the body when I brought it up. Either way, it's important to know about it because it's a major player when it comes to your mental and physical health.
What it actually is
The vagus nerve is like a superhighway. It runs from your brain down through your neck and your chest and abdomen. You actually have two branches of it, and it connects to your heart, lungs, and gut. Together, they move signals back and forth between your organs and your brain all day long without you doing a single thing to make it happen.
It regulates your heart rate, coordinates your breathing, manages digestion, and puts the brakes on inflammation. When it's functioning well, you have a higher threshold for stress, your body recovers faster, and you think more clearly.
When the signal gets fuzzy from chronic stress, illness, or trauma, you’re more on edge, prone to burnout and foggy headed.
What "vagal tone" means and why it matters
Think of strong vagal tone like a finely tuned brake system. When life demands the gas, you can floor it, but you also have full access to the brakes, which means you can take the curves of life without spinning or burning out.
When vagal tone is weak, it's like burning out the engine. Shallow breathing, a racing heart, tight muscles are all telling your brain that something is wrong. And poor vagal tone contributes to chronic inflammation, the underlying driver behind heart disease, diabetes, and high blood pressure.
A lot of us have been living in that state so long we've started to think it's just how we are.
So why the buzz?
The science on the vagus nerve's role in our physical and mental health is fascinating and growing. Layer on the fact that anxiety and depression are at an all time high, and it's no surprise people are looking for answers. Which is exactly why it matters to sort through this carefully rather than chase every claim or dismiss the real thing.
Simple things you can do
You don't need a device, a supplement, or an expensive protocol to start supporting your vagus nerve. Of course, the basics apply. Sleep, eat well, exercise, connect with people, use your brain, and master your stress. Here are a few other small adjustments you can make without adding any more to your day.
Breathe slower and exhale longer. This is the most direct vagus nerve intervention we have. Often you can feel your heart rate slow down if you pay attention. The soft belly breath is a great place to start. You can download an audio of it here
Hum, chant, or sing. Vocal cord vibration is a direct line to the vagus nerve. If you've ever held an "om" in a yoga class and felt that vibration move through your head and chest, that's what's happening.
Try some cold exposure, but start where you are. Cold plunges are getting a lot of attention, but you don't need an ice bath to get the benefit. Cold sensation to the face triggers a nerve response that slows your heart rate and shifts you towards calm. You could start with ending your shower with 30 to 60 seconds of cold water directed at your face, or you could even do a face dunk in a cold bowl of water.
Keep it simple. A few small things woven into your day done consistently, and you're building your calm muscle.
Want to put this into practice? The Calm Reset audio series includes specific tools for strengthening your vagus nerve and building a calmer baseline. Five short episodes, free.