Endorphins, often referred to as "feel-good" hormones, are released during exercise and significantly affect mood. These natural chemicals provide a sense of euphoria often referred to as the "runner's high," which can alleviate feelings of stress, anxiety, and depression. Regular physical activity often leads to consistent endorphin release, resulting in improved overall emotional well-being. Additionally, lower levels of endorphins may contribute to post-exercise fatigue or a sense of lowness for some individuals. Understanding the link between endorphins and mood can motivate individuals to engage in regular exercise, enhancing their mental health alongside physical fitness.