The sympathetic nervous system is your body's built-in alarm system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sympathetic nervous ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

Central nervous system — the brain and spinal cord Peripheral nervous system — the nerves that make your muscles move and tell your brain what your body is feeling Autonomic nervous system — the ...

Nervous system and nutrition The foods you put on your plate play a role in the long-term health of your brain, says Aaron Nelson, MD, MBS, FAAP, FAAN, FCNS, a professor of neurology and director of ...