Exercise can significantly help manage symptoms of chronic illnesses by improving overall health and enhancing quality of life. Regular physical activity contributes to better cardiovascular health, increases strength and flexibility, and can help control weight. It also lowers the risk of complications associated with chronic conditions like diabetes, hypertension, and arthritis. Additionally, exercise has been shown to improve mood and reduce feelings of stress and anxiety, leading to better mental health. Overall, exercise serves as a vital management tool for individuals living with chronic illnesses.