The nervous system is the body’s direct communication system. It’s made up of the body’s many nerve cells. These cells work together in a network that sends and receives signals from one ...

spread between brain cells. Tau is a protein that builds up in the brains of people living with Alzheimer’s disease, forming structures called tangles. These tangles form inside nerve cells and make ...

A recent study in an animal model provides direct evidence for the role of the vagus nerve in gut microbiome-brain communication, addressing a critical gap in the field. While the vagus nerve has ...

The olfactory nerves run from the inside of the nose, through the skull, and then directly into part of the brain called the ...

A small aneurysm often causes no symptoms. But if it grows, an aneurysm can press on nerves inside your brain, causing pain and other symptoms. It can also leak blood or burst, causing a sudden ...

A pinched nerve is exactly what it sounds like. A nerve is being pressured by surrounding tissue and thus, loses some circulation. This pressure can be caused by the surrounding muscles, cartilage, or ...

Nerves send and receive messages from every part of your body and process them in your brain. They allow you to: speak see feel think Many nerves are coated in myelin, a fatty tissue that helps ...