Most replayed moment: The things hiding in your food? | Professor Marion Nestle

Food additives, which number around 10,000 in the modern food supply, often lack rigorous safety evaluation due to the U.S. "Generally Recognized as Safe" (GRAS) regulatory framework. Under this system, companies frequently self-assess the safety of new additives, a process that prioritizes industry convenience over comprehensive scientific scrutiny. While acute toxicity is rare, concerns persist regarding the cumulative impact of these chemicals and their potential behavioral effects on children, particularly with synthetic color additives. Unlike the European precautionary approach, which restricts substances until proven safe, the U.S. system often permits additives until evidence of harm emerges. Food policy expert Professor Marion Nestle emphasizes that these additives serve primarily cosmetic purposes rather than nutritional or safety functions, advocating for a shift toward consuming whole, unprocessed foods to mitigate these hidden risks.