The sympathetic, parasympathetic, and enteric nervous system work together to balance out your body’s functions. Usually, the parasympathetic nervous system hormones promote relaxation ...

Excessive sweating in the hands, known as palmar hyperhidrosis, can be a real nuisance. Here's what the experts say about ...

So, what caused this day-night rhythm in the heart? “Well, one thing is this local circadian clock, but what this paper shows is that there's something else, and that's the sympathetic nervous system, ...

Heart Rate Increase in rate of contraction of cardiac muscle - cardiac output increases Decrease in rate of contraction of cardiac muscle - cardiac output decreases Breathing Rate Smooth muscle of ...

Following acute multiple trauma, hypothalamic stimulation of the sympathetic nervous system and adrenal glands causes an increase in circulating corticoids and catecholamines, or a stress response.

Dr. Gaby Captur, lead author of the study, emphasizes that noise triggers stress responses, releasing cortisol and activating the sympathetic nervous system. These mechanisms could explain the ...