There are200 million to 600 million neurons in the human gut. Some say the digestive tract is a human’s second brain. Is this a fair statement?
Jingduan Yang
M.D.
Dr. Jingduan Yang is a board-certified psychiatrist specializing in integrative and traditional Chinese medicine. He developed the ACES Model of Health and Medicine and leads clinical, educational, and research initiatives. As a principal founder of the Northern School of Medicine and Health Sciences, he advances whole-person care grounded in science, ethics, and humanity.