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Endorphins

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Updated November 25, 2007

Definition: Naturally occurring substances released by the brain that resemble opiates, and are theorized to be the brain chemicals that make you feel happy and content.
Pronunciation: en-DOR-fins
Common Misspellings: endorfins, indorphins, indorfins, endorfans, indorfans
Examples:
She found that running released endorphins and made her feel better all day.

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