The sympathetic nervous system becomes more active during times of stress, and for some people, this activation can become excessive or prolonged.

A chronically dysregulated nervous system can lead to both physical and mental symptoms. Here's what to look out for.

Stimulating the vagus nerve mechanically is used therapeutically to control a number of cardiac arrhythmias. Heart rate variability, reflecting a balance of sympathetic and parasympathetic (vagal ...

This data can offer clues about the resilience of your heart and vagus nerve. It initiates relaxation after stress. When your ...

For instance, it boosts your heart rate and breathing ability. But if you have ongoing stress or anxiety, it can take a toll on your sympathetic nervous system. "If you're feeling very ...

While it is often overshadowed by its high-alert counterpart, the sympathetic nervous system, the PSNS has a powerful role in ...

Leg muscle sympathetic nerve activity (MSNA) diminishes in healthy (HC) individuals during mild dynamic exercise but not in age-matched patients with heart failure due to reduced ejection fraction ...

Your vagus nerve helps regulate digestion, breathing, heart rate, and your stress response ... nervous system is made up of two systems: The sympathetic nervous system, which controls the ...

Human stem cells were turned into sympathetic neurons, which were then grown together with heart muscle cells. The neurons connected to the heart cells, which caused the neurons to mature further.

Stimulating the vagus nerve mechanically is used therapeutically to control a number of cardiac arrhythmias. Heart rate variability, reflecting a balance of sympathetic and parasympathetic (vagal ...