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 ...

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.

This rudimentary sympathetic nervous system is derived from an embryonic structure called the neural crest, they show. The ...

Body position can affect the accuracy of vital sign measurements that indicate arterial stiffness—a risk factor for heart ...

In a tough conversation, it is easy to lose our cool, regret it and wonder what we could have done better. Consultant Cynthia ...

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, ...