The vagus nerve is, in one way of thinking ... For example, a large cluster of vagal neurons clings like a vine to the carotid artery in your neck. Its nerve fibers follow this network of blood ...

“Vagus nerve stimulation pulls you out of that ... First, feel either side of your neck for a bump, bump, bump, which is the carotid artery. The vagus runs parallel to the carotid artery.