The nervous system is incredibly complex, even without considering the central hub of the brain. Nerves travel throughout the entire body, constantly sending and receiving information about our ...

Your autonomic nervous system (ANS) is the part of your central nervous system (CNS) that controls unconscious activities like breathing and digestion. This system is always working, whether or not ...

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 ...

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 ...

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 ...