 over the collarbone up into the neck area where the vagus nerve is. Well, let's talk more about the vagus nerve then. Now, this is the nerve that originates at the back of the neck and connects the brain to the rest of the body, and it's like the motherboard of our nervous system. Can you describe how it connects not just the electrical impulses of our nervous system, but it also sounds like it's controlling our immune system? The vagus nerve originates in the bottom of your brain, right?