How To Stimulate The Vagus Nerve: A Path To Recovery From COVID-19

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The COVID-19 pandemic has significantly impacted the lives of millions of people around the world. While the primary respiratory symptoms of the virus are well-known, recent studies have shed light on another major affected area—the vagus nerve.

The vagus nerve plays a crucial role in regulating various bodily functions, including heart rate, digestion, and immune response. Individuals who have contracted COVID-19 often experience vagal dysfunction, leading to a range of symptoms.

However, there is hope in stimulating the vagus nerve to alleviate these issues. In this article, we explore the significance of the vagus nerve and how humming, singing loudly, hard gargling, and breathwork can be used to stimulate it and yield positive results.

Understanding the Vagus Nerve and Its Impacts

The vagus nerve, also known as the tenth cranial nerve, is the longest and most complex nerve in the human body. It originates in the brainstem and branches out to various organs, including the heart, lungs, digestive system, and immune cells.

Its primary function is to regulate the parasympathetic nervous system, which is responsible for the body’s rest-and-digest response.

When an individual contracts COVID-19, the virus can directly or indirectly affect the vagus nerve, leading to vagal dysfunction. This dysfunction disrupts the nerve’s ability to regulate bodily functions effectively, resulting in various symptoms such as heart rate irregularities, difficulty breathing, digestive issues, and immune system imbalances. Stimulating the vagus nerve can help restore its proper functioning and provide relief from these symptoms.

The Power of Humming and Singing Loudly

Humming and singing loudly are simple yet effective ways to stimulate the vagus nerve. These activities involve controlled exhalation and vibration of the vocal cords, activating the vagal pathways in the process.

Humming has been found to increase heart rate variability, which is a measure of the heart’s adaptability and resilience to stress. Singing loudly not only engages the vocal cords but also deepens the breath and activates the diaphragm, leading to a relaxation response. Both activities stimulate the vagus nerve, promoting a sense of calm and well-being.

Incorporating Hard Gargling Into Your Routine

Hard gargling, specifically with cold water, is another technique that can stimulate the vagus nerve. The cold temperature and forceful action of gargling create a strong vagal response, activating the parasympathetic nervous system.

Research has shown that gargling for at least 30 seconds, twice a day, can lead to improved vagal tone. This enhanced tone helps regulate heart rate, blood pressure, and digestion. Hard gargling can also promote better circulation and reduce inflammation, which is especially beneficial for those recovering from COVID-19.

The Benefits of Breathwork

Breathwork techniques, such as deep diaphragmatic breathing and alternate nostril breathing, can significantly impact the vagus nerve and aid in its stimulation.

Deep diaphragmatic breathing involves taking slow, deep breaths that fully engage the diaphragm. This technique stimulates the vagus nerve and triggers the relaxation response, reducing stress and anxiety.

Alternate nostril breathing, on the other hand, balances the flow of breath between the left and right nostrils, promoting harmony within the body and activating the vagus nerve.

Practicing breathwork regularly can enhance vagal tone, improving overall well-being and aiding in the recovery process from COVID-19-related vagal dysfunction.


The vagus nerve plays a crucial role in maintaining the body’s balance and regulating numerous functions. COVID-19 can negatively impact the vagus nerve, leading to a range of symptoms and complications.

However, there is hope in stimulating the vagus nerve to alleviate these issues. Activities such as humming, singing loudly, hard gargling, and breathwork have been found to effectively stimulate the vagus nerve and yield positive results.

Humming and singing loudly engage the vocal cords and promote controlled exhalation, leading to increased heart rate variability and a sense of calm. Hard gargling, particularly with cold water, creates a strong vagal response that activates the parasympathetic nervous system and improves vagal tone.

Breathwork techniques, such as deep diaphragmatic breathing and alternate nostril breathing, help trigger the relaxation response and enhance vagal tone.

Incorporating these activities into one’s daily routine can have significant benefits, particularly for individuals recovering from COVID-19-related vagal dysfunction. By stimulating the vagus nerve, these techniques can promote heart rate regulation, improved digestion, reduced inflammation, and enhanced overall well-being.

It is important to note that while stimulating the vagus nerve can provide relief and support recovery, it is not a substitute for medical treatment or professional advice. Individuals who have contracted COVID-19 or experience symptoms should consult with their healthcare providers for proper diagnosis and guidance.

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In conclusion, the vagus nerve is one of the major impacted parts in individuals who have suffered from COVID-19. Stimulating the vagus nerve through activities like humming, singing loudly, hard gargling, and breathwork can have significant positive effects. These techniques promote relaxation, enhance vagal tone, and contribute to overall well-being.

As we continue to navigate the aftermath of the pandemic, incorporating these simple practices into our daily lives can offer a pathway to recovery and improved health.


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