The sympathetic nervous system, which enables the fight-or-flight response, was thought to be present only in jawed vertebrates. Analysis of a jawless vertebrate suggests that this system might be a ...

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 ...

Lately, everyone seems to be talking about what happens when the nervous system becomes “dysregulated” – including a cascading array of ailments both physical and psychological. Google searches for ...

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 ...

Each part of the nervous system uses internal checks and balances to regulate its activity, responding to various factors like mood, health status, and the external environment.¹ These regulatory ...

Your nervous system is like a highway. When the roads are clear and well-maintained, traffic flows smoothly. Messages travel from your brain to every cell in your body without obstruction. We obsess ...

Neurological diseases are conditions that affect your nervous system. Your nervous system includes your brain and spinal cord as well as all the nerves that branch out to the rest of your body. There ...

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 ...

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 ...