New research has uncovered shared patterns between ribosomal RNAs and genes linked to brain disorders, including autism, ...

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 ...

An NIH-supported initiative seeks to unravel how the nervous system tracks and regulates the body’s internal organs. How does ...

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 hormone ...

Long after a traumatic event has passed, a person’s nervous system can be reactivated whenever they perceive danger, whether or not danger is present. This feeling of heightened arousal is like being ...

You’re sitting in a perfectly comfortable room when suddenly a quick shiver ripples through your body. It’s not cold, you’re not scared, and you’re definitely not coming down with anything—yet your ...

Parkinson’s disease is a neurological condition that can affect several areas of the brain. The area it affects the most is known as the substantia nigra, which is involved with movement. Nerve ...

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 ...