What Happens During an Adrenaline Rush. If you perceive something that's dangerous or stressful in your environment, a part of your brain (called the amygdala) that helps process stressful ...

Adrenaline is also known as the fight-or-flight hormone. Learn how an adrenaline rush occurs and how to control it.

An adrenaline rush is one of the body’s vital defense mechanisms. This occurs when the body releases the hormone adrenaline, or epinephrine, into the bloodstream. The adrenal glands, which sit ...