Opioid theory

Opioid theory suggests that substances like opioids work by activating specific receptors in the brain called opioid receptors. When these receptors are stimulated, they release feel-good chemicals called endorphins, which reduce pain and create feelings of pleasure or euphoria. This is a natural process the body uses to manage pain and stress. However, when someone uses opioids externally (like prescription medications or heroin), these drugs artificially stimulate the receptors, often leading to intense pleasure but also risk of addiction, tolerance, and dependence if used improperly over time.