Endorphin (noun)

A type of neurotransmitter that is produced by the body and acts as a natural pain reliever and mood elevator.

Origin:

From the term "endogenous morphine" coined by combining "endogenous" which means originate from within an organism, and "morphine", a natural pain-relieving substance.

Examples:

1. Endorphins are responsible for the feeling of euphoria that can be experienced during intense exercise.
2. The release of endorphins can help to reduce the perception of pain.
3. Endorphins are natural mood elevators and can help to reduce feelings of stress and anxiety.
4. The endorphins released during sexual activity can promote feelings of pleasure and intimacy.
5. Some antidepressants work by increasing the levels of endorphins in the brain.