Unit 1376: Comprehensive Nutrition

1. Basics of Nutrition

1.1 Macronutrients

• Carbohydrates: types, functions, sources
• Proteins: amino acids, roles in the body
• Fats: types (saturated, unsaturated, trans), functions

1.2 Micronutrients

• Vitamins: fat-soluble and water-soluble, key functions
• Minerals: major and trace elements, physiological roles

1.3 Water

• Importance of hydration
• Functions of water in the body

2. Digestion and Absorption

2.1 Overview of the Digestive System

• Anatomy of gastrointestinal (GI) tract
• Digestive secretions and enzymes

2.2 Digestion Process

• Mechanical and chemical digestion
• Breakdown of macronutrients

2.3 Absorption of Nutrients

• Sites of absorption in the GI tract
• Mechanisms of nutrient absorption

2.4 Utilization of Nutrients

• Transport and metabolism post-absorption

3. Energy Balance and Metabolism

3.1 Energy Concepts

• Definition of calories and energy units
• Energy intake vs. energy expenditure

3.2 Basal Metabolic Rate (BMR)

• Factors affecting BMR
• Measurement and estimation

3.3 Thermic Effect of Food

• Energy cost of digestion and processing

3.4 Physical Activity

• Role in energy expenditure
• Types and impact on metabolism

3.5 Maintaining Healthy Weight

• Energy balance principles
• Consequences of imbalance

4. Dietary Guidelines and Recommendations

4.1 Overview of Dietary Guidelines

• Purpose and development
• Examples from WHO, USDA, and other agencies

4.2 Nutrient Intake Recommendations

• Dietary Reference Intakes (DRIs), RDA, AI, UL

4.3 Food Pyramid and Plate Models

• Visual guides for balanced diets

4.4 Guidelines for Disease Prevention

• Emphasis on chronic disease risk reduction

5. Nutritional Assessment

5.1 Dietary Assessment Tools

• 24-hour recall, food frequency questionnaires, food diaries

5.2 Anthropometric Measurements

• BMI, waist circumference, skinfold thickness

5.3 Biochemical Tests

• Blood tests, urine analysis for nutrient levels

5.4 Clinical Evaluations

• Physical signs and symptoms of nutritional status

6. Common Nutritional Deficiencies

6.1 Overview and Global Context

• Prevalence and impact

6.2 Specific Deficiencies

• Iron deficiency anemia: causes, symptoms, treatment
• Vitamin A deficiency
• Iodine deficiency
• Vitamin D and calcium

6.3 Prevention and Treatment Strategies

• Supplementation, fortification, dietary diversification

7. Nutrition and Disease

7.1 Obesity

• Causes, nutritional factors, health consequences

7.2 Diabetes Mellitus

• Role of diet in prevention and management

7.3 Cardiovascular Disease

• Impact of fats, sodium, and other nutrients

7.4 Cancer

• Dietary factors influencing risk

7.5 Role of Nutrition in Disease Prevention and Management

8. Food Labels and Nutritional Claims

8.1 Understanding Food Labels

• Components: serving size, calories, nutrient content

8.2 Nutritional Claims

• Definitions and regulations

8.3 Making Informed Food Choices

• Reading labels critically

8.4 Misleading Marketing Tactics

• Common strategies and how to identify them

9. Special Diets and Dietary Restrictions

9.1 Vegetarian and Vegan Diets

• Nutritional considerations and benefits

9.2 Gluten-Free Diet

• Indications and nutritional impact

9.3 Lactose-Free Diet

• Causes and dietary management

9.4 Dietary Restrictions for Medical Conditions

• Food allergies, intolerances, and related diets

10. Nutrition Education and Behavior Change

10.1 Strategies for Promoting Healthy Eating

• Counseling techniques
• Community-based interventions

10.2 Behavior Change Models

• Theories and applications in nutrition

10.3 Importance of Nutrition Education

• Long-term impact on health outcomes

10.4 Tools and Resources for Nutrition Education