Human "biology was never intended to handle" ultraprocessed foods, former FDA head David Kessler warns

February 16, 2026

TL;DR

Ultraprocessed foods are a growing concern for Americans across the political spectrum.
Robert F. Kennedy Jr. and Dr. David Kessler are advocating for changes regarding ultraprocessed foods.
The GRAS (generally recognized as safe) classification is identified as a loophole allowing ingredients without full safety reviews.
Ultraprocessed foods are linked to increased rates of chronic diseases such as type 2 diabetes, hypertension, and heart disease.
Kessler compares the impact of ultraprocessed foods on public health to that of tobacco.
Kennedy plans to review GRAS ingredients and close loopholes, while Kessler is petitioning to revoke GRAS status for certain refined carbohydrates.
Federal farm subsidies for corn and soybeans are criticized for contributing to the production of ingredients used in ultraprocessed foods.
The food industry, represented by groups like the Consumer Brands Association, maintains that companies adhere to safety standards and that there is no agreed-upon scientific definition of ultraprocessed foods.

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