Chocolate Consumption Longitudinal Studies Ultra-Processed Foods Chocolate Observational Research Iron Intake Flavonoids National Health and Nutrition Examination Survey Cholesterol Ancient Diets Egg Consumption Plant-Based Oils Vegetable Consumption Fats Research Findings Plant-Based Diets Wine Consumption Alcohol Consumption Calcium Intake Biomarkers Processed Foods Weight Loss Mortality Risk Health Benefits Dietary Modifications Meat Consumption