betaendorphins

Beta-endorphins are endogenous opioid neuropeptides produced in the pituitary gland and hypothalamus. They are a part of the body's natural pain relief system and are also involved in feelings of pleasure and well-being. The name "endorphin" itself is a portmanteau of "endogenous" and "morphine," highlighting their opioid-like effects. These peptides bind to the same receptors in the brain as opioid drugs like morphine, but are produced naturally by the body.

Beta-endorphins are released in response to various stimuli, including pain, stress, exercise, and even pleasurable activities such as eating, sex, and listening to music. When released, they can reduce the perception of pain by blocking the transmission of pain signals to the brain. Their role in mood regulation is also significant, contributing to the euphoric feelings sometimes experienced during intense physical activity, often referred to as "runner's high." Research continues to explore the full spectrum of beta-endorphins' functions, including their potential involvement in addiction, depression, and other neurological and psychological conditions.