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Who has heard of the vagus nerve?

The vagus nerve, what is it, and why haven’t I heard of it before? As I read more I wonder, why are we just learning about the vagus nerve now, as it seems to be such a major player in our health and wellbeing. Especially in this day and age, where life is a constant juggle of work, running a business, motherhood, marriage and running the household.. oh and wait, trying to squeeze in your Pilates or yoga class!!

In the last few weeks, I have learnt that this important nerve can effect me, both physically and mentally, being a major part of the parasympathetic nervous system. So I have compiled some information below that might help us, BALANCE our lives, and more importantly our bodies.

The Vagus nerve, also known as the tenth cranial nerve, is a key component of the autonomic nervous system, which controls involuntary bodily functions. It is the longest of the cranial nerves and plays a crucial role in regulating various physiological processes. The vagus nerve extends from the brainstem down to the abdomen, branching out to various organs along the way.

Here are some important functions and connections of the vagus nerve:

1. Parasympathetic Nervous System: The vagus nerve is a major part of the parasympathetic nervous system, which is responsible for the "rest and digest" response. When activated, it helps to slow the heart rate, lower blood pressure, and promote relaxation. 2. Heart Function: The vagus nerve influences the heart rate by sending signals to the sinoatrial node, which is responsible for regulating the heartbeat. Stimulation of the vagus nerve tends to decrease heart rate. 3. Gastrointestinal Function: The vagus nerve plays a crucial role in controlling digestive processes. It is involved in the regulation of stomach acid secretion, gut motility, and the release of digestive enzymes. 4. Respiratory Function: The vagus nerve is involved in controlling the muscles that regulate breathing. It helps to slow down the respiratory rate and supports relaxation. 5. Innervation of Organs: The vagus nerve sends branches to various organs in the thoracic and abdominal cavities, including the heart, lungs, liver, spleen, stomach, and intestines. Its influence extends to many vital functions within these organs. 6. Communication with the Brain: The vagus nerve serves as a bidirectional communication pathway between the brain and various organs. It carries sensory information from the organs back to the brain, providing feedback on the internal state of the body. 7. Role in the Inflammatory Response: The vagus nerve is involved in the inflammatory reflex, a mechanism that helps regulate the body's inflammatory response. Activation of the vagus nerve can have anti-inflammatory effects.


If the vagus nerve is not working correctly, it can cause, dizziness, abdominal pain, acid reflux, difficulty swallowing, speech difficulty or hoarseness, loss of appetite, changes in blood pressure, Epilepsy, Anxiety and depression.


So after reading the above, it is clear that the vagus nerve is a crucial part of the autonomic nervous system, and its health and function can impact various aspects of our well-being. There are several lifestyle practices and activities that may positively influence the vagus nerve and promote its optimal function.


1. Deep Breathing: Slow, deep breathing is one of the most effective ways to stimulate the vagus nerve. Practices such as diaphragmatic breathing, where you focus on deep, slow breaths that engage the diaphragm, can activate the relaxation response associated with the vagus nerve.

2. Meditation and Mindfulness: Practices that promote mindfulness, meditation, and relaxation have been shown to positively influence the vagus nerve. Mindfulness meditation, in particular, can enhance vagal tone, which is an indicator of the vagus nerve's activity.

3. Yoga: Certain yoga practices, especially those that involve deep breathing, gentle movements, and relaxation techniques, may have a positive impact on the vagus nerve. Practices such as restorative yoga and pranayama (breath control) can be beneficial.

4. Regular Exercise: Engaging in regular physical activity has been associated with improved vagal tone. Both aerobic exercise and activities like yoga, Pilates or tai chi can contribute to overall cardiovascular health and vagus nerve function.

5. Cold Exposure: Exposure to cold temperatures, such as cold showers or immersing your face in cold water, has been suggested as a way to stimulate the vagus nerve. However, individual tolerance to cold varies, and this approach may not be suitable for everyone.

6. Social Connection: Positive social interactions and relationships can contribute to overall well-being and may positively impact the vagus nerve. Spending time with friends and loved ones, engaging in supportive relationships, and fostering social connections can be beneficial.

7. Probiotics and Gut Health: There is emerging research suggesting a connection between the gut microbiome and the vagus nerve. Maintaining a healthy gut through a balanced diet and, if appropriate, considering probiotics may have indirect positive effects on vagal function.


So leading into the festive season and into the new year, let's be a little bit more mindful, about what we can do to support our vagus nerve. Let's take time to breathe, maybe meditate if you have time, go for a nice walk in nature, zone out of life for a bit. Keep up with that regular exercise that makes us feel good, whether this be Pilates, yoga, walking or stretching at home. Sing out loud, dance around the lounge! Surround ourselves with people that fill your cup and make you feel good, your tribe. All of these things are easy to manage into our lives, these lifestyle factors, positively influencing the autonomic nervous system, contributing to our overall health and well-being. It seems to me, that there is no better time than now, to give our vagus nerve a reboot!




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