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 ...

The hydra is a Lovecraftian-looking microorganism with a mouth surrounded by tentacles on one end, an elongated body, and a foot on the other end. It has no brain or centralized nervous system.

When we’re stressed, though, the messaging between gut and brain can get disrupted. “Stress pinches off this signaling [of ...

Each part of the nervous system uses internal checks and balances to regulate its activity, responding to various factors like mood, health status, and the external environment.¹ These regulatory ...

An international team of researchers has discovered a new component of the peripheral nervous system that acts by increasing energy metabolism in the body. The finding paves the way for the ...

Imagine having a front-row seat to your nervous system. How would your experience change if you could see, in real time, how the billions of cells and neurons of your brain and body orchestrate your ...

Your autonomic nervous system helps regulate emotional balance, but chronic stress or trauma can trigger an overactive fight-or-flight response. Nervous system dysregulation refers to a condition in ...