According to Medical News Today, “The vagus nerve sends information from the gut to the brain, which is linked to dealing with stress, anxiety, and fear–hence the saying, 'gut feeling. ' These signals help a person to recover from stressful and scary situations.”
There's one vagus nerve on each side of your body. The vagus nerve runs from the lower part of the brain through the neck to the chest and stomach. When the vagus nerve is stimulated, electrical impulses travel to areas of the brain. This alters brain activity to treat certain conditions.
Vagus nerve stimulation (VNS) sends regular, mild pulses of electrical energy to the brain via the vagus nerve, through a device that is similar to a pacemaker. There is no physical involvement of the brain in this surgery and patients cannot generally feel the pulses.
The vagus nerve represents the main component of the parasympathetic nervous system, which oversees a vast array of crucial bodily functions, including control of mood, immune response, digestion, and heart rate.
What Triggers the Vagal Response? The vagal response (vasovagal reflex) is when stimulation of the vagus nerve causes symptoms such as lightheadedness, sweating, and blurred vision. This can happen because of stress, pain, heat, having a bowel movement, or even standing too long.
Trauma disrupts the function of the vagus nerve(s) and can lead to dysfunction in other parts of our body.
This vagal nerve damage can result from diabetes, viral infections, abdominal surgery and scleroderma. Vasovagal syncope: Syncope is another word for fainting. Vasovagal syncope occurs when a vagus nerve to your heart overreacts to certain situations like extreme heat, anxiety, hunger, pain or stress.
In a vagus nerve massage, moderate pressure is applied to the area between the trapezius and sternocleidomastoid muscles in the neck/shoulder area and at the muscles below the base of the skull, with twisting or stroking motions [1].
When the vagus nerve is overstimulated, the body's blood vessels dilate, especially those in the lower extremities, and the heart temporarily slows down. The brain is deprived of oxygen, causing the patient to lose consciousness.
Vagus Nerve Damage
You'll notice issues with your voice, problems with your throat, an increased heart rate, brain fog, excessively high or low blood pressure, and gut problems. Here are some specific conditions to look for: Vocal cord issues that cause a hoarse, wheeze voice or loss of voice entirely.
Loud gargling with water or loud singing activates our vocal cords which in turn stimulates the vagus nerve. Foot massage: gentle or firm touch can assist in stimulation the vagus nerve. Cold water face immersion: immerse your forehead eyes and at least 2/3 of both cheeks into cold water.
Online, it is feted as “the key to well-being,” “your superhighway to health,” and even “the physical manifestation of the soul.” Resetting this nerve through a series of routine interventions is professed to overcome anxiety and depression, improve your memory, and increase your altruism and success in life.
However, chronic stress can impact the vagus nerve in a negative way. 2 This can lead to problems such as anxiety and depression. It can also make the body more susceptible to infections and diseases. 3 Therefore, it is important to manage stress in order to maintain a healthy vagus nerve.
Eat foods rich in tryptophan.
Dietary tryptophan is metabolized in the gut and may help the astrocytes—cells in the brain and spinal cord—control inflammation, which may improve communication from the gut to the brain via the vagal messenger pathway. These foods include spinach, seeds, nuts, bananas, and poultry.
Any kind of GI distress can put pressure on the Vagus nerve and irritate it resulting in further problems. An excess of alcohol, spicy foods, and caffeine can inflame the nerve. As we now know, our gut is considered to be our “second brain”, also known as our enteric nervous system.
The left vagal nerve runs down the left side of your neck, and the right vagal nerve runs down your right side. This nerve extends all the way from your brain to the large intestines: down your neck, through your chest, around your heart, around your lungs, and through your abdomen and intestines.
Diaphragmatic breathing will activate your vagus nerve and engage your parasympathetic nervous system. Additionally, it has been shown to improve gut motility (the speed at which your gut works).