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.

Every time you go to the doctor, the first thing they do is check your vital signs. These four initial tests measure the ...

There are three meninges layers that completely envelop your brain and spinal cord, which make up your central nervous system. These layers are the dura mater, arachnoid mater, and pia mater.

CSF oligoclonal bands is a test ordered by physicians when serious health concerns related to your central nervous system arise. Here’s what you need to know about it. If your physician suspects ...

The connection between breathing and our nervous system represents one of the body’s most remarkable biological relationships. While most autonomic functions—like heart rate, digestion, and ...

Neurotoxicity is damage to the nervous system that can occur if a person has exposure to toxic substances, such as heavy metals and certain chemicals. Learn more here.

The nervous system is at the core of our experience of the world. What comes in through our perceptions is not under our control—it’s just what’s happening.

Memory loss, tremors, paralysis: When parts of the nervous system start to break down—or get broken—the consequences for human health can be staggering. Can we fix the nervous system, and how ...