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 ...

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 ...

When a person thinks, speaks, eats, walks, or just sits comfortably with all bodily systems functioning normally, the billions of cells that make up the brain and the rest of the nervous system are ...

What Is the Limbic System? The limbic system is a part of the brain consisting of several components such as the hippocampus and amygdala and serving many functions within the body. While we have a ...

The limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...

We are born with a biological survival system that is designed to respond to any environmental or psychological threat presented to us. Our nervous system is constantly processing information and ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Dear faculty, staff and students, On behalf of the Case Western Reserve University School of Medicine, I am pleased to announce the appointment of Congrong “Ron” Yu, PhD, as the new chair for the ...