Explore clinical applications of Yamamoto New Scalp Acupuncture (YNSA) for trauma and post-traumatic stress through an overview of polyvagal syndromes and diagnosis and YNSA protocols that regulate the vagus nerve and the autonomic nervous system. Practice manual techniques that can be taught to patients to regulate the vagus nerve and help them feel more in tune with themselves and their nervous system. These points and protocols have been utilized for veterans in hospital rehabilitation in Israel.