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 ...

Every other Friday, the Outside/In team answers one listener question about the natural world. This week, Monica in West Hartford, CT asked, “We’ve all heard the phrase, ‘take a deep breath,’ and ...

Everything your body does is connected in some way to your nervous system. It tells your heart to beat and your lungs to breathe. It controls the way you move, the words you say, and how you think and ...

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

When a person is at rest, meditating or reading a book, the parasympathetic nervous system is at work. Also known as the "rest and digest" system, the parasympathetic nervous system is responsible for ...

Even when your body is capable of high performance, interference, stress, and misalignment create an internal traffic jam.

The peripheral nervous system (PNS) is the system of nerves and ganglia outside the brain and spinal cord. The PNS consists ...

Imagine that you’ve never been to Earth. You visit first in winter, where someone introduces you to water. From a glass, they pour it out over your hand. You drink. Remarkable. Imagine that you walk ...