I'm sure you've heard of the fight-or-flight response, and you probably know that it's the way your body reacts to danger or stress. But do you know what the fight-or-flight response is? It has to do with hormones.
When you're faced with a danger, your adrenal glands release three hormones: norepinephrine, epinephrine (also known as adrenaline), and cortisol. Norepinephrine and epinephrine cause several changes to help you survive the danger, including a pause in insulin release so you have lots of blood sugar available for energy, an increase in heart rate and blood pressure, and a suspension of your appetite. After the danger has passed, cortisol tells the body to stop producing norepinephrine and epinephrine and stimulates your appetite again.
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