A hormone called cortisol which is released by the adrenal glands during times of stress. It helps prepare the body for a fight-or-flight response.
Related terms
Adrenal Glands: Small glands located on top of each kidney that release several hormones, including cortisol.
Cortisol: A hormone released during times of stress that increases blood sugar levels and provides energy for immediate use.
Fight-or-flight Response: An automatic physiological reaction triggered by stressful or dangerous situations, preparing the body to either confront or flee from a threat.