Epinephrine (also known as adrenaline) is a hormone and a neurotransmitter that is produced by the adrenal glands. It is an important hormone in the body’s fight-or-flight response, and is involved in the release of glucose for energy, increasing heart rate and blood pressure, as well as increasing alertness and focus. It is used medically to treat a variety of symptoms, including allergies, asthma, and cardiac arrest.
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