What is the primary action of endorphins released after injury?

The primary action of endorphins released after an injury is to provide pain relief for escape. Endorphins are natural opioids produced by the body, and their release during times of stress or injury serves a crucial physiological role. When an injury occurs, the body releases endorphins to help manage the pain and create a sense of euphoria. This response can enable a person to react swiftly by either fighting or fleeing from a dangerous situation, thus enhancing survival.

In this context, endorphins effectively mask pain, allowing an individual to escape from an immediate threat without being hindered by discomfort. This mechanism demonstrates the body's innate ability to prioritize survival by alleviating pain in critical moments.

Endorphins do have other effects as well, such as promoting sleep or potentially influencing mood, but their primary function in the context of injury is focused on pain relief to facilitate rapid response and recovery.