What does short term dating
Multiple studies, including one printed in the British Medical Journal suggest that extreme stress compromises the blood-brain barrier, making it more permeable.
According to the University of Maryland Medical Center, stressful events activate the hypothalamic-pituitary-adrenal system, which release catecholamines - neurotransmitters such as dopamine, norepinephrine, and epinephrine.
It seems human beings are under chronic stress these days.
Stress, which is a biological imperative stemming from the fight or flight response that protected early humans from predators, has profound physiological effects on the entire body, including your brain.
After about one minute, the adrenalin leaves your brain and it returns to normal function.
If the threat persists or is severe, your brain calls in the big guns.