The sympathetic nervous system was thought to have evolved with jawed vertebrates. But lampreys—jawless, parasitic fish that suck out the blood of their hosts—have a simple one, per recent research.

Researchers have created a digital topographical map of the cardiac sympathetic neural network, the region that controls the body's heart rate and its 'fight-or-flight' response. They hope this map ...

The sympathetic nervous system (SNS) is integral to the regulation of blood pressure, orchestrating rapid adjustments in vascular tone and heart rate to maintain homeostasis. By modulating peripheral ...

The sympathetic nervous system (SNS) plays a crucial role in the regulation of cardiovascular function, mediating rapid adjustments in heart rate and arterial blood pressure during stress, physical ...

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 ...

Introduction The pathophysiology of tendon pain is not fully understood, although preliminary data indicates involvement of the sympathetic nervous system (SNS). Large prospective studies identify ...

For years, researchers have known that the symptoms of Parkinson's disease (PD) result from damage to a specific region of the brain. A new study shows that the disease also causes widespread damage ...

Theresa Larkin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...