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 ...

This article discusses the autonomic nervous system, which is responsible for involuntary reactions such as heart rate, blood pressure and respiration. This is a Self-assessment article and comes with ...

Autoimmune autonomic ganglionopathy (AAG) occurs when your immune system attacks healthy nerve cells in your autonomic nervous system. It causes symptoms like dizziness or faintness. Autoimmune ...

The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous system activates what is often ...

The autonomic nervous system (ANS) controls several basic functions. Autonomic dysfunction develops when the nerves of the ANS are damaged. You don’t have to think consciously about these systems for ...

Autonomic neuropathy is nerve damage that affects your automatic body functions — the things your body does whether you think about them or not. When you have this kind of damage, which can be caused ...

The autonomic nervous system is a complex network of cells that controls the body’s internal state. It regulates and supports many different processes, often outside of a person’s conscious awareness.