Exercise helps in managing chronic illnesses by improving physical fitness, enhancing mood, and reducing symptoms associated with various conditions. For instance, regular activity can aid in controlling blood sugar levels for individuals with diabetes, lower blood pressure, and strengthen the heart. Furthermore, exercise can alleviate symptoms of chronic pain, neurological disorders, and mental health conditions such as depression and anxiety. By fostering regular movement and engaging in tailored physical activity, individuals can better manage their conditions, leading to improved quality of life and overall health.