The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...

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 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 ...

Goosebumps, or piloerection, occur as a physiological response triggered by the sympathetic nervous system when individuals ...

The results of a study conducted in Brazil suggest that the sympathetic nervous system - the part of the autonomous nervous system that controls responses to danger or stress - can modulate the action ...

We examined whether sympathetic nervous system activity influences hypertension status and systolic blood pressure (SBP) independent of adiposity in youth ranging from normal-weight to severe obesity.

Evidence in lampreys for the presence of a rudimentary sympathetic nervous system, previously thought to be unique to jawed vertebrates, has been presented in Nature. The finding may prompt a rethink ...

Understanding how your body works can be the key to reducing stress. For example, you’re probably aware of your fight-or-flight response—the body’s way of preparing itself when it believes it’s being ...

Energy drinks are increasingly becoming the go-to solution for students pulling all-nighters, professionals meeting deadlines, and even the elderly hoping to ward off fatigue. Marketed for their ...

Late in pregnancy, the human body carefully prepares fetuses for the rigors of life outside the protection of the womb. Levels of cortisol, a stress hormone, ramp up and spike during labor.

You’re sitting in a perfectly comfortable room when suddenly a quick shiver ripples through your body. It’s not cold, you’re not scared, and you’re definitely not coming down with anything—yet your ...

'In a low-risk group of babies born full-term, the autonomic nervous system and cortical systems appear to function well regardless of whether infants were exposed to labor prior to birth,' says Sarah ...