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

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.

For example, the sympathetic nervous system activates the "fight-or-flight" response in reaction to danger, concentrating energy on immediate survival and halting less urgent functions such as ...

Ten years of research on yoga as a stress-reducing activity provides a clear answer: A little effort offers real health ...

The brain science is clear. In the face of a threat, the amygdala sends out a distress signal that activates the sympathetic nervous system and sends adrenaline surging through your body.

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, ...