Endorphins - Wikipedia
Endorphins are released from the pituitary gland, typically in response to pain, and can act in both the central nervous system (CNS) and the peripheral nervous system (PNS).

Endorphins: The brain's natural pain reliever - Harvard Health
Endorphins are the body's natural painkillers. Released by the hypothalamus and pituitary gland in response to pain or stress, this group of peptide hormones both relieves pain and creates a general feeling of well-being.

Endorphins: Benefits and How to Boost Your Levels - Verywell Mind
Endorphins are chemicals in your brain that help you cope with pain and maintain well-being. They're responsible for that feeling after working out, eating a piece of dark chocolate, or having a good laugh with a friend.

Endorphins: Functions, Levels, and Natural Boosts - Healthline
Endorphins are the body’s natural pain reliever and also promote pleasure. They’re produced during activities such as exercise, sex, laughter, dancing, and listening to music.

What Are Endorphins and How Do They Work? - ScienceInsights
Endorphins are your body’s natural painkillers. Learn how they’re made, what triggers their release, and how they differ from other feel-good brain chemicals.

Endorphins: Effects and how to boost them - Medical News Today
Endorphins are neuropeptides, or chemical signals in the brain, that block the perception of pain. The body makes endorphins. Endorphins are present during pleasure, including emotions relating...