Solange Knowles recently revealed on her Instagram that she had to cancel a New Year’s Eve performance in South Africa due to health issues. Knowles said in her post that she had trouble figuring out ...

Katharine Simon, PhD, clinical pediatric psychologist, and postdoctoral researcher, Sleep and Cognition Lab, UC Irvine, explains the influence of the autonomic nervous system on body functions and ...

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.

Q: What is autonomic dysfunction? A: There are certain body functions that require rapid, involuntary and reflexive onset of actions, and these are controlled by the autonomic nervous system (the word ...

Higher ambient temperatures significantly amplify physiological stress reactivity, affecting the HPA axis and autonomic nervous system activity. Physiological stress markers increased at warmer ...