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 ...

Yale researchers have determined how a key component of the nervous system develops at the embryonic stage. Their work, published June 11 in Cell Reports online, may ultimately offer new approaches to ...

The term “sympathetic nervous system overload” sounds daunting, but the root cause is pedestrian: stress. Stress is, of course, something we all experience all the time, but left unchecked, it can ...

The sympathetic nervous system, not white blood cells, is critically important in the regulation of energy expenditure and thermogenesis, researchers reveal in a new report. A new study from the Icahn ...

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 ...

The 2020 Stress in America survey by the American Psychological Association (APA) revealed that the COVID-19 pandemic was a significant source of stress for nearly 80% of Americans (1). While stress ...

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.

With terrifyingly sharp teeth arranged around a circular mouth, lampreys look about as primitive a vertebrate as you could imagine. But a new study finds that the animals have a surprising similarity ...

The ejaculation process is typically subdivided into two distinct successive phases: emission (that is, secretion of the various components of sperm by seminal vesicles, prostate and ampullary vas ...