flowchart TD FoodSystem("Food System
Structure"):::startNode GroceryDensity["Grocery Store
Density"]:::mildNode FoodDesert["Food Desert"]:::mildNode CostGap["Relative Cost of
Processed vs. Fresh Food"]:::mildNode Choices["Household Food
Choices Under Constraint"]:::orangeNode Diet["Dietary Pattern
Over Time"]:::orangeNode Risk["Chronic Disease Risk:
Type 2 Diabetes,
Hypertension,
Cardiovascular Disease"]:::emergNode FoodSystem --> GroceryDensity GroceryDensity --> FoodDesert FoodDesert --> CostGap CostGap --> Choices Choices --> Diet Diet --> Risk GroceryDensity -->|Direct access effect| Choices classDef startNode fill:#5b9bd5,stroke:#333,stroke-width:2px,color:#fff,font-size:16px classDef processNode fill:#7e57c2,stroke:#333,stroke-width:2px,color:#fff,font-size:16px classDef decisionNode fill:#ffd54f,stroke:#333,stroke-width:2px,color:#333,font-size:16px classDef emergNode fill:#e57373,stroke:#333,stroke-width:2px,color:#fff,font-size:16px classDef mildNode fill:#64b5f6,stroke:#333,stroke-width:2px,color:#fff,font-size:16px classDef goodNode fill:#66bb6a,stroke:#333,stroke-width:2px,color:#fff,font-size:16px classDef endNode fill:#b0bec5,stroke:#333,stroke-width:2px,color:#333,font-size:16px classDef orangeNode fill:#ff9800,stroke:#333,stroke-width:2px,color:#fff,font-size:16px linkStyle default stroke:#999,stroke-width:2px,font-size:14px