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Why are preschool-age children at higher risk of foodborne illness?

  1. They have developed strong immune systems

  2. They have frequent hand washing habits

  3. They are less curious about trying new foods

  4. They have not built up strong immune systems

The correct answer is: They have not built up strong immune systems

Preschool-age children are at higher risk of foodborne illness primarily because they have not yet developed strong immune systems. At this stage of development, their bodies are still maturing, which means they are less equipped to fight off pathogens that can cause foodborne illnesses. Young children are particularly vulnerable to infections because their immune systems are still learning to respond to and combat various bacteria and viruses found in food. Stronger immune systems are typically developed over time as individuals encounter different pathogens, and preschool-age children simply haven't had enough exposure to build that immunity. This is why food safety and hygiene practices are especially critical in environments where young children are present, to help protect their health.