Engaging in physical activity outdoors can significantly improve mood due to exposure to natural environments. Studies show that outdoor exercises facilitate stress reduction and promote feelings of well-being, largely due to the calming effects of nature. Exposure to sunlight also helps regulate mood by increasing serotonin levels, impacting emotional health. Additionally, outdoor activities often provide opportunities for social interaction, which can further enhance happiness and motivation. Overall, the combination of physical activity and nature is beneficial for mental health.