This document discusses chemicals that are commonly used in food production and their potential health effects. It notes that methylcyclopropene is used to preserve apples and bananas, while artificial colors and flavors are added to fruits. Some doctors disagree with the use of new food chemicals. The document also addresses packaging chemicals, foodborne illness costs, and the role of chemicals in chronic diseases. Tips are provided on safe food shopping, storage, and basic home treatment for food poisoning.