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August 25, 2025 18 mins

What do Flamin’ Hot Cheetos, lime Jell-O, and Kraft Creamy French Salad dressing have in common? They've all gotten a glow-up from artificial food dyes. Petroleum-based food dyes have become a target of RFK Jr.’s “Make America Healthy Again” agenda—but what does science say about their effects on health? 

Joining Host Flora Lichtman to discuss is Asa Bradman, an expert in the health effects of food dyes and other things we’re exposed to in our environment.

Guest:
Dr. Asa Bradman is a professor of public health at the University of California Merced based in Merced, California.

Transcripts for each segment will be available after the show airs on sciencefriday.com.

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