Mouse Study Offers Cautionary Tale About The Keto Diet

Key Takeaways

Eating lots of fat instead of carbs is the centerpiece of a keto dietA study in mice suggests that a keto eating regimen may have long-term downsidesResearchers aren’t sure if their results would be the same in people but urge caution

SUNDAY, Sept. 28, 2025 (HealthDay News) — It sounds counterintuitive: Eat more fat and lose more weight.

But it’s the underpinning of a keto diet — a controversial eating regimen designed to retrain the body to rely on something other than sugar for energy. The regimen is rich in meat, eggs, high-fat dairy and oils.

“I think a lot of people look at a ketogenic diet and think, ‘I’ll lose weight, I’ll be healthier,’ ” said lead researcher Molly Gallop , an assistant professor of anatomy and physiology at Earlham College in Richmond, Ind.

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