Having a healthful diet and regular exercise will not only improve your health but also lower health cost. What kind of supporting paragraphs such as details, definitions, analysis division and classification ,process analysis comparison-contrast,cause-effect argument are apporprite to support this topic.

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To support the idea that having a healthful diet and regular exercise can improve health and lower health costs, various types of supporting paragraphs can be used. Here are some suggestions:

1. Details: Provide specific examples and detailed information about the benefits of a healthful diet and exercise. For instance, highlight studies or research findings that show how adopting these habits can reduce the risk of chronic diseases such as heart disease, diabetes, and obesity.

2. Definitions: Define key terms related to healthful diet and exercise to ensure the readers have a clear understanding of these concepts. For example, explain what constitutes a healthful diet, mentioning the importance of consuming balanced meals with nutrient-rich foods.

3. Analysis: Analyze the factors that contribute to the relationship between a healthful diet, regular exercise, and improved health. Discuss how exercise helps regulate weight, control blood pressure, increase energy levels, and strengthen the immune system. Analyze how specific nutrients from a healthful diet support vital bodily functions and prevent illnesses.

4. Division and Classification: Divide and classify the benefits of a healthful diet and exercise into separate categories, expanding on each category. For instance, classify the physical benefits (e.g., increased stamina, improved cardiovascular health) separately from the mental health benefits (e.g., reduced stress, improved mood).

5. Process Analysis: Explain the process of adopting a healthful diet and exercise regimen, providing step-by-step instructions and guidance. Describe how to create a balanced meal plan, set realistic fitness goals, and incorporate exercise into daily routines.

6. Comparison-Contrast: Compare and contrast the costs associated with a healthful diet and regular exercise versus the expenses incurred by an unhealthy lifestyle. Show how the long-term savings on medical bills, medications, and treatments outweigh the potentially higher initial costs of healthier food choices and fitness-related expenses.

7. Cause-Effect: Highlight the cause-and-effect relationship between a healthful diet, regular exercise, and their impact on overall health and healthcare costs. Explain how a lack of exercise and poor dietary choices lead to increased medical expenses due to preventable health problems.

8. Argument: Present a well-supported argument for why adopting a healthful diet and exercise habits should be encouraged at a societal level. Discuss the potential economic benefits of reduced healthcare costs, increased productivity, and improved quality of life for individuals and communities.

Remember that while incorporating these types of supporting paragraphs is important, it is equally vital to cite credible sources, provide evidence and statistics, and maintain a balanced and coherent flow of information throughout your essay.