Is adrenaline harmful to the body?

Adrenaline is an important part of your body's ability to survive, but sometimes the body will release the hormone when it is under stress but not facing real danger. Excessively high levels of the hormone due to stress without real danger can cause heart damage, insomnia, and a jittery, nervous feeling.

What happens to your body when you get an adrenaline rush?

Adrenaline, or epinephrine, is a stress hormone secreted from the adrenal glands on the kidneys. An adrenaline rush is a sudden increase in the secretion of adrenaline from the adrenal glands. This happens when the brain communicates to the glands that there will be a need for a fight-or-flight response.

How does adrenaline affect pain?

Adrenaline is released when you are in a “fight or flight” stress response. It's protective, leaving you with an observable increase in perceived strength, coupled with a diminished sense of pain and an increase in energy and awareness. Your brain signals your adrenal glands to start secreting adrenaline.

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