The vagus nerve is that which innervates the digestive system. It's picking up information at the terminal trigeminal neurons that signal back to the brain and to the brain's immune system. "It gives us a way, as you said, to go upstream and treat the cause, not just treat the effect," he says.
Dr. Jeffrey Bland is a highly respected thought leader who has spent more than four decades focused on the improvement of human health through systems biology. He is known worldwide as the founder of the Functional Medicine movement.