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Natural Awakenings Atlanta

Rhythms of the Heart: Improving Mood With Vagus Nerve Toning

Feb 01, 2023 06:00AM ● By Kirby Baldwin
While most people consider the brain to be the power center of the body, the heart is stronger in
several
 ways. In research pioneered by the HeartMath Institute in the 1990s, the heart has been
found
 to be 40 to 60 times stronger than the brain electrically and about 100 times stronger
magnetically.

HeartMath studies heart rate variability (HRV), which measures the naturally occurring beat-to-
beat
 changes in heart rate and rhythms, and is a key marker of overall health, resiliency and
longevity.
 HeartMath discovered people could train themselves to improve their HRV and, as a
result,
 their ability to regulate emotions by using breath as a type of biofeedback.

Central
 to this work is the vagus nerve, a main component of the parasympathetic nervous
system
 that carries signals at an unconscious level between the brain, heart and digestive system. Due to its many functions, particularly controlling mood, researchers have targeted the vagus nerve in treating depression, anxiety and other psychiatric disorders.

According
 to a 2018 study, “Vagus Nerve as Modulator of the Brain-Gut Axis in Psychiatric and
Inflammatory
 Disorders,” published in Frontiers in Psychiatry, “Treatments that target the vagus
nerve
 increase the vagal tone and inhibit cytokine production. Both are important mechanisms of resiliency. The stimulation of vagal afferent fibers in the gut influences monoaminergic brain
systems
 in the brain stem that play crucial roles in major psychiatric conditions, such as mood
and
 anxiety disorders. Since the vagal tone is correlated with capacity to regulate stress
responses
 and can be influenced by breathing, its increase through meditation and yoga likely
contribute
 to resilience and the mitigation of mood and anxiety symptoms.”

Vagal
 tone tells us how well the vagus nerve is functioning, and it is measured indirectly by
HRV.
 A toned vagus nerve can help regulate the nervous system and improve digestion, heart
health
 and breathing rate. It can also counter the body’s “fight” response and help us relax and
bounce
 back from daily stresses by boosting the “rest-and-digest” response, which also boosts
HRV.

Because
 the vagus nerve is integral to the gut-brain connection, Michael Ruscio, DNM, DC,
writes
 that lifestyle practices that are good for the gut and brain, like diet, exercise and deep
breathing,
 can improve vagal tone. The Cleveland Clinic states that the vagus nerve can be
naturally
 strengthened through meditation, massage, music therapy and cold-water immersion.

Other
 non-invasive methods of stimulating the vagus nerve include lightly tapping the chest
while
 holding the breath, as well as light-to-moderate massage in areas near the vagus nerve.
Because
 the nerve connects to the throat, gargling with salt water and laughing have also been
proposed
 as potential interventions.

The U.S. Food and Drug Administration has approved electrical vagus nerve stimulation (VNS)
for
 the treatment of drug-resistant epilepsy and depression, and there are ongoing studies to
expand
 its use for other health conditions and disorders. This is an invasive solution, as the
device
 is surgically implanted under the skin on the chest.

Toning the Vagus Nerve Relief for Pain Anxiety and Inflammation

Toning the Vagus Nerve: Relief for Pain, Anxiety and Inflammation

Relief for Pain, Anxiety and Inflammation by Marlaina DonatoResearch is helping doctors connect the dots between seemingly unrelated conditions like irritable bowel syndrome, rheumatoid ... Read More » 

Bruce Cryer, co-founder and former CEO of HeartMath, says, “We could all use a helping hand

to get into our happy place” in these uncertain times. The 40-year wellness leader recently turned to Sensate, a new personal device designed to help people improve HRV and derive calming benefits without the need for extensive training in meditation or breathing techniques.

Developed
 by Stefan Chmelik, a physician, Sensate is a palm-sized device that is simply placed
on
 a person's chest as it emits stress-relieving sound waves directly to the nervous system using
bone
 conduction. Similar to the comfort a person experiences when a purring cat lays on their
chest,
 Sensate causes the chest to resonate sound, which signals the vagus nerve to relax. When
used
 over time, the device can train (or retrain) the vagus nerve to default to this calming state.

In
 a 2022 study, adults with and without anxiety and depression disorders used Sensate for an
average
 of three and a half months, five to six days per week. After the test period, more than 70
percent
 of the participants reported low, mild or normal stress levels. More than 65 percent of the participants with anxiety disorder and over half of those with a depressive disorder reported an improvement in their condition.

Chmelik
 says, “Stress is a ‘global catastrophe’, and with a chronically stressed public, there is no
will
 or ability to address all the other issues facing us. My goal in developing Sensate was to
enable
 people to self-regulate more efficiently. I want to create a tipping point to create a more
conscious
 world. As more people become aware of their breath and its connection to stress, and
take
 advantage of the powerful tools of meditation, breath and other tools like Sensate, hopefully
that
 tipping point is reached.” ❧
Kirby Baldwin writes for KnoWEwell, the Regenerative Whole Health Hub and the parent
company
 of Natural Awakenings Publishing Corp.
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