Lifestyle plays a crucial role in the management of chronic diseases by influencing factors such as diet, physical activity, and stress management. Healthy lifestyle choices, including balanced nutrition and regular exercise, can help reduce the risk or severity of diseases like diabetes, heart disease, and obesity. Additionally, smoking cessation and moderate alcohol consumption further support chronic disease management. This holistic approach can enhance overall well-being and quality of life, emphasizing the importance of maintaining a sustainable lifestyle to mitigate health risks.