Your brain is connected to your body through a set of 12 crucial nerve networks that descend through your spine and branch out into your body. Of these, the vagus nerve is probably one of the most important. BBC Science Focus

“I just thought to myself, ‘If this is it, if this is all there is to life — if it ended now, I’d be OK with it,’” Nick, now 62 and based in Illinois, said of that fateful day outdoors nearly 40 years ago.
CNN Health.

Imagine a device that sends electrical signals to a nerve, which in turn signals to the immune system to reduce inflammation in the body. 
Karolinska Institutet.

Discover the benefits of cardiovascular health with our informative articles. Explore the link for in-depth studies and insights.
National Library of Medicine.

Over the past 50 years, the number of people who are overweight or obese has risen dramatically in most parts of the world
Springer Nature Link.

Vagus nerve stimulation (VNS) has shown
potential for pain improvement,
but its use in CLBP remains underexplored.
Nationalm Library of Medicine.

Long COVID or Post-acute sequelae of COVID-19 is an emerging syndrome, recognized in COVID-19 patients who suffer from mild to severe illness and do not recover completely. Nationalm Library of Medicine.

Invasive VNS is used as an adjunct treatment for certain types of intractable epilepsy, cluster headaches, migraine,[3]treatment-resistant depression and stroke rehabilitation.
Wikipedia

After enduring years of severe gastrointestinal distress that made him want to stay home and close to a bathroom, Joseph Beinlich was diagnosed with ulcerative colitis in 2019.
TIME