What is the most effective way to prevent foodborne illness?

Practicing safe food handling and hygiene is the most effective way to prevent foodborne illness because it encompasses a range of behaviors and practices that reduce the risk of contamination at multiple stages of food preparation and consumption. This includes washing hands thoroughly before and after handling food, using separate cutting boards for raw meats and ready-to-eat foods, ensuring surfaces and utensils are sanitized, and proper storage of food at safe temperatures to inhibit the growth of harmful bacteria.

Safe food handling also involves understanding and managing the "danger zone" temperatures where bacteria can thrive, as well as recognizing the importance of personal hygiene in preventing pathogens from being transferred to food. While cooking food at high temperatures can kill bacteria, it won't prevent cross-contamination or poor hygiene practices that may occur before cooking.

On the other hand, using only organic ingredients and avoiding leftovers do not inherently eliminate the risk of foodborne illnesses, as contamination can occur regardless of the type of ingredient or whether food is fresh or has been stored. Therefore, comprehensive safe food handling and hygiene practices are essential in minimizing risks and ensuring food safety.