
When someone is living with chronic stress or chronic illness, the nervous system often gets stuck in a state of threat. The vagus nerve plays a central role in calming the body, supporting digestion, immunity, and emotional regulation. Limbic retraining helps re-pattern the brain’s threat response, reducing overactivation and allowing the body to shift toward safety, healing, and resilience.
Supporting both the vagus nerve and the limbic system can lower inflammation, improve stress tolerance, and create the physiological conditions needed for recovery.
Supporting Your Nervous System: Vagal Tone & Limbic Retraining
If your body feels stuck in fight-or-flight, you’re not broken—your nervous system is trying to protect you. Chronic stress, trauma, infections, mold exposure, and ongoing illness can all keep the brain and nervous system in a heightened state of alert. Two powerful tools we often use to support healing are vagal nerve support and limbic retraining.
Vagal Support (Bottom-Up Regulation)
The vagus nerve helps shift your body from stress into rest-and-repair. Gentle, consistent practices can improve vagal tone over time.
Simple Daily Practices (Free & Accessible):
- Singing or humming – Activates the vagus nerve through vibration of the vocal cords
- Gargling vigorously with water – A surprisingly effective vagal stimulator
- Slow diaphragmatic breathing – Aim for longer exhales than inhales
- Cold exposure to the face (splashing cold water) – Triggers the dive reflex
- Gentle yoga, stretching, or walking – Encourages parasympathetic activity
Free Online Resources:
- YouTube: “Polyvagal breathing exercises” or “vagus nerve activation exercises”
- Insight Timer (free version): search vagus nerve, NSDR, or body-based calming
Helpful Books:
- Accessing the Healing Power of the Vagus Nerve – Stanley Rosenberg
- The Polyvagal Theory – Stephen Porges
Limbic Retraining (Top-Down Regulation)
When the brain has learned to associate everyday sensations with danger, it can keep sending stress signals even when the threat is gone. Limbic retraining helps the brain re-learn safety.
Structured Programs:
- Primal Trust – Nervous system regulation, trauma-informed, very body-based
- Dynamic Neural Retraining System (DNRS) – Annie Hopper
- Gupta Program – Ashok Gupta
Free / Low-Cost Supports:
- YouTube: guided neural retraining or visualization practices
- Mindfulness-based stress reduction (MBSR) recordings
- Journaling with a focus on safety, gratitude, and positive sensory input
Podcasts:
- The Primal Trust Podcast
- DNRS Radio
- The Trauma Therapist Podcast
Books:
- The Body Keeps the Score – Bessel van der Kolk
- Rewire Your Brain – John Arden
- Breaking Free from Chronic Fatigue Syndrome – Annie Hopper
A Gentle Reminder
These practices are not about forcing calm or “thinking your way out” of illness. They are about teaching your nervous system—slowly and consistently—that it is safe enough to heal.
Make an appointment today for a free consultation to find out more.

