Introduction The vagus nerve plays a central role in autonomic regulation, inflammation control, mood modulation, and overall homeostasis. Vagus nerve stimulation (VNS) is a promising approach for enhancing autonomic balance, reducing systemic inflammation, improving mental health, and supporting neuroplasticity. The Vielight Vagus presents an innovative, non-invasive alternative using photobiomodulation (PBM) to target the cervical [...]