Valentine’s Day is traditionally associated with the heart. For centuries poets, writers and lovers have been convinced that ...

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

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 ...

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 ...

“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 ... the involvement of the autonomic nervous system, not as ...

Stress activates the hypothalamic-pituitary-adrenal axis and sympathetic nervous system (SNS), which subsequently ... Stress inhibits anti-inflammatory functions of PD-L2–positive macrophages ...