A covenant is a promise in a written contract or a deed of real property.
Adrenaline increases your heart rate, elevates your blood pressure and boosts energy supplies. Cortisol, the primary stress hormone, increases sugars (glucose) in the bloodstream, enhances your brain's use of glucose and increases the availability of substances that repair tissues. Cortisol also curbs functions that would be nonessential or detrimental in a fight-or-flight situation.
In turn, this stimulates insulin release which can lead to an increase in appetite. 1  Adrenaline increases alertness and metabolism by helping fat cells release energy. 2  When the immediate stress is over, the adrenaline levels return to normal. 3  But, cortisol lingers to help bring the body back into balance after stress.