"There is no level of inflammation, physical or mental or central nervous system inflammation, that is not damaging."

Vaish and JP Errico discuss the role of the vagus nerve in reducing inflammation (esp. neuroinflammation), cognition and supporting brain health in Episode 142.

Obviously stress and inflammation are critical in cognitive and overall health, but what is largely unknown is the role of the vagus nerve in modulating inflammation!

Vagus Nerve Stimulation can be achieved through various methods, including non-invasive devices like TruVaga (which JP helped found). 

JP shares a personal experience of using vagus nerve stimulation to alleviate eczema and migraines in his child, leading to significant cognitive improvements.   JP Errico's Book: The Vagus-Immune Connection   TruVaga - the stimulator mentioned by JP