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 ...

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 ...

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.

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.

'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 ...

A recent study of obese volunteers participating in a 12-week dietary weight-loss program found that successful weight losers had significantly higher resting nerve activity compared to weight-loss ...

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 ...