We live in a culture that wears busyness like a badge of honor. From the moment our alarms go off in the morning, we are bombarded with emails, notifications, work deadlines, and the endless demands of managing a household.
We live in a culture that wears busyness like a badge of honor. From the moment our alarms go off in the morning, we are bombarded with emails, notifications, work deadlines, and the endless demands of managing a household. Because of this constant stimulation, many of us spend our entire lives stuck in a low-grade, chronic state of fight-or-flight.
This state is driven by the sympathetic nervous system,which is designed to help us run away from predators, not manage a daily to-dolist.
When this system remains active for too long, it can lead to physical exhaustion, poor digestion, and chronic inflammation. Fortunately, your body has a built-in off switch for stress: the vagus nerve.
The Vagus nerve is the longest and most complex cranial nerve in the body. It acts as a massive bi-directional highway, constantly sending signals back and forth between your brain and your vital organs, including your heart, lungs, and digestive tract.
As the primary commander of your parasympathetic nervous system, the vagus nerve is responsible for initiating the "rest-and-digest" response.
When your vagus nerve is highly active—a state referred to as high vagal tone—your heart rate slows down, your blood pressure drops, your digestion improves, and your body transitions into a state of deep physiological safety and healing.
While the autonomic nervous system runs automatically in the background, there is one major exception that gives us direct, manual control over our physiology: our breath.
How you breathe sends immediate, powerful messages to your brain about whether you are safe or in danger.
When you take shallow, rapid breaths into your upper chest—a common habit when we are stressed—you reinforce the fight-or-flight response.
Conversely, when you slow down your breathing and focus on deep, diaphragmatic breaths with prolonged exhalations, you physically stimulate the vagus nerve. This simple shift immediately signals to your brain that it is safe to relax.
Stimulating your vagus nerve does not require hours of meditation or complicated equipment. You can build a highly resilient nervous system with just a few minutes of daily practice.
One of the most effective and scientifically proven techniques is the "physiological sigh." This protocol, popularized by neuroscientists, involves taking two quick inhales through your nose, followed by one long, slow exhale through your mouth. Doing just three of these sighs in a row can immediately lower your heart rate and calm your nervous system.
Additionally, because the vagus nerve passes directly through your vocal cords, activities like humming, chanting, or singing can physically stimulate the nerve and promote a sense of deep relaxation.
For partents, regulating your own nervous system is one of the most generous things you can do for your family. Children are incredibly sensitive to their parents' emotional states. Through a biological process called co-regulation, a child's nervous system will naturally mirror the state of their parents.
By practicing simple breathing exercises when you feel overwhelmed, you not only calm your own mind, but you also create a physical environment of safety and peace for your children.
Try introducing a "breathing game" before bedtime or taking a few deep, collective breaths together as a family before meals. By prioritizing these small moments of physiological pause, you can naturally lower inflammation, protect your emotional energy, and cultivate a deeply resilient household.
The vagus nerve exits the bottom part of the skull and down the left and right side of the neck. The vagus nerve can be obstructed by structural shifts of the occiput (back of head) and neck spinal segments. Structural chiropractors stimulate the vagus nerve through specific adjustments or corrections. Manipulations of the spine can stimulate a fight-or-flight response. Specific adjustments increase vagal tone which slows the heart rate, reduces blood pressure, improves digestion, and transitions the body to a state of healing and rest.
Dr. Garrett is the founder of Core Chiropractic in Birmingham, AL. While most health care is focused on temporary relief, the staff at Core Chiropractic focus on creating solutions to a wide spectrum of health conditions. Connect with Dr. Garrett at (205) 440-2121 or via online form.
