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, neuromuscular junctions, cranial nerves, and ...

Imagine that you’ve never been to Earth. You visit first in winter, where someone introduces you to water. From a glass, they pour it out over your hand. You drink. Remarkable. Imagine that you walk ...

How Does the Nervous System Work? The messages traveling in your nerves are sent through billions of nerve cells called neurons. The spaces between these cells are called synapses. The cells are ...

The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...

Two types of neurons in the skin may be particularly important for how the brain interprets social contact between people, according to a new study led by Linköping University in Sweden. Knowledge of ...

Microglia are a type of immune cell that works as a ‘janitor’ to the central nervous system that clears out dead cells and other debris. But when these janitor cells themselves die, other microglia ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...