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 ...

Hormones are a crucial part of the body's signaling system, and the controlled release of these compounds affects tissues around the body. Each of these hormones induces specific responses from these ...

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 ...

A Cedars-Sinai study has identified a previously unknown role for astrocyte cells in how the brain responds to damage and ...

Glia constitute roughly half of the cells of the central nervous system (CNS) butwere long-considered to be static bystanders to its formation and function. Here we provide an overview of how 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 ...

A new study on the intramuscular nerve cords of octopuses reveals that they are connected in a unique and unexpected geometric structure. Octopuses are not much like humans -- they are invertebrates ...

Strange sea creatures called ctenophores have a fused nerve net where scientists expected to see synapses. Did they evolve their nervous system separately from other animals? When you purchase through ...