Ha! Now everybody is talking about the Vagus nerve! (I LOVE that nerve!)
Deepak Chopra, who is. a little more famous than me, includes a great article on it in his newsletter.
read it HERE.
I've used both of the exercises offered, and both are wonderful.
If you're doing the 6-4-8 Breathing technique (find it HERE), You are already toning your vagus nerve! Congrats!
Check out the Vagus 'map' below. The Vagus nerve literally impacts our entire body, all the organs and our mind and emotions too!
I'm inspired to improve my breathing HaBits even more - how about you?