Sympathetic stimulation typically increases blood glucose through elevated glucagon, reduced insulin secretion, and decreased blood flow, while sympathetic inhibition has the opposite effect.

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 ...

Your sympathetic nervous system is responsible for your “ fight or flight ” response. It’s activated when your brain senses that you’re in a stressful situation.

Reflex sympathetic dystrophy (RSD), or complex regional pain syndrome (CRPS), is a nerve disorder that affects pain regulation. Doctors now refer to RSD as “type 1 complex regional pain syndrome ...

The vagus nerve carries signals between the brain and most of the internal organs. It plays a role in heart rate, appetite and the immune system.

Sympathetic Function The phrenic nerves also appear to communicate with the sympathetic nervous system, but the significance of this is largely unknown. It has been noted that phrenic nerve ...

The sympathetic nervous system produces our fight-or-flight response to perceived threats. The vagus nerves are part of the parasympathetic nervous system, which does the opposite: rest, digest ...

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 researchers found that the sympathetic nerve cells released a neurotransmitter called noradrenaline that was taken up by nearby melanocyte stem cells. Then a series of events unfolded in quick ...

Relative burst amplitude of muscle sympathetic nerve activity is an indicator of altered sympathetic outflow in chronic anxiety. Journal of Neurophysiology, 2018; DOI: 10.1152/jn.00064.2018 ...