relating to or triggered by adrenaline (a hormone that gives you energy and makes your heart race).
Formed from 'adrenaline' (from adrenal glands) plus the suffix '-ergic' (from Greek 'ergon,' meaning work or action). The term was created in the 1900s to describe how adrenaline affects the nervous system.
Adrenergic receptors in your body are like tiny locks that adrenaline opens—scientists discovered different types (alpha and beta) that do opposite things, which is why some drugs can either speed you up or calm you down!
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