Understanding Vagus Nerve Stimulation & Parasympathetic Health
The parasympathetic nervous system (PNS) is a key part of the autonomic nervous system that helps our bodies slow down, relax, and recover. It controls the body’s “rest and digest” functions, which means it lowers the heart rate, increases intestinal and glandular activity, and helps relax muscles. In short, the PNS allows the body to rest and heal.
When the parasympathetic system takes charge, processes like digestion and salivation are enhanced, while stress responses, like increased heart rate, decrease. This balance is essential for overall health and recovery, providing the "brakes" for your body.
The Role of the Vagus Nerve
The vagus nerve is the longest nerve in the body, often called the “wandering nerve” because it travels from the brain to vital organs, including the heart, lungs, and digestive system. It plays a critical role in activating the parasympathetic system and reducing stress by slowing down the sympathetic nervous system (our "fight or flight" response). The vagus nerve is responsible for 80% of our body’s relaxation response.
When the vagus nerve is functioning well, it helps us recover more quickly from stress and relax after physical activity. If the vagus nerve is underactive, it can lead to increased stress, inflammation, and poor overall health.
Vagal Tone & Health
Vagal tone refers to the activity of the vagus nerve and is a strong indicator of your parasympathetic health. High vagal tone is associated with better stress management, improved circulation, and lower inflammation. People with strong vagal tone tend to recover faster from stressful situations and have a more balanced nervous system.
Health benefits of improved vagal tone include:
Decreased inflammation: The vagus nerve sends anti-inflammatory signals throughout the body.
Reduced muscle tension: Activating the vagus nerve helps relax tight muscles and reduce tenderness.
Better circulation and lymph flow: The vagus nerve aids in managing stress and improving your body’s overall recovery.
Pain reduction: Reducing stress through vagus nerve stimulation can help alleviate chronic pain.