Yes gargling stimulates the Vagus nerve - vagus meaning wandering - which is exactly what the nerve does playing such an important role in our health - a nerve descending from the brain stem. Singing loudly and also the Uijay breath in yoga - all play their part in stimulating the nerve.
Dr Datis Kharrazian wrote the book - Why Isn't My Brain Working - has hosted on-line summits and has his own website where you can sign up for Newsletters
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