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endorphin

A natural chemical made in the brain that eases pain and creates a sense of well-being.

en-DOR-fin noun

What it means

Endorphins act on the same receptors as opioid drugs. The body releases them during pain, stress, exercise and laughter. Non-drug comfort measures, such as exercise and massage, may work partly by releasing them.

Remember it

Endorphin = endogenous (made inside the body) morphine.

At a glance

Spanishendorfina
Also writtenendorphins

Related terms

opioid analgesic

A strong drug that relieves moderate to severe pain by acting on the brain and spinal cord.

analgesic

A drug that relieves pain.

neurotransmitter

A chemical that a nerve cell releases to pass a signal to another nerve, muscle or gland cell.

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