TIL researchers won the 2025 Ig Nobel Chemistry Prize for proposing eating Teflon as a zero calorie food. They cited 1960s DuPont studies where rats fed a 25% Teflon diet lost weight with no signs of toxicity, and patented it as a meal additive, but gave up after the FDA would not approve it.

TIL researchers won the 2025 Ig Nobel Chemistry Prize for proposing eating Teflon as a zero calorie food. They cited 1960s DuPont studies where rats fed a 25% Teflon diet lost weight with no signs of toxicity, and patented it as a meal additive, but gave up after the FDA would not approve it.