Physical fitness refers to the overall well-being and ability of an individual to perform physical activities. It encompasses various components, including cardiovascular endurance, muscular strength, flexibility, and body composition. Engaging in regular exercise and maintaining a balanced diet are essential for achieving and sustaining physical fitness. Improving physical fitness can lead to numerous health benefits, such as reduced risk of chronic diseases, enhanced mental health, and increased longevity. Activities like running, weightlifting, and yoga can help individuals develop their fitness levels and improve their quality of life.