Medically reviewed by Steven Gans, MD The peripheral nervous system (PNS) is the system of nerves and ganglia outside the brain and spinal cord. The PNS consists of the peripheral nerves ...

The sympathetic nervous system becomes more active during times of stress, and for some people, this activation can become excessive or prolonged.

In reaction to circumstances, the autonomic nervous system, dominated by the vagus nerve, changes our state of being, much like surrounding conditions change the state of water.

A collaborative research project between Georgetown University’s Maillard Lab and Wang Lab investigates nervous system ...

Understanding how the peripheral nervous system works could prove useful far beyond the gut, though, Fattahi believes. “In the future, we hope to map the communication network between the nerves ...