Research has shown a strong relationship between happiness and fitness. Engaging in regular physical activity can lead to increased release of endorphins and other neurotransmitters like dopamine and serotonin, which are associated with improved mood and reduced symptoms of depression. Fitness can create a sense of achievement, enhance self-esteem, and foster social connections, all contributing to overall happiness. The psychological benefits of exercise reinforce the importance of staying active for mental wellness, creating a positive feedback loop that encourages continued participation.