A new study by researchers at University of Utah Health, published in Science Advances , has raised fresh concerns about the long-term safety of the ketogenic diet, one of the world’s most popular approaches for weight loss and metabolic control. While the diet is known for preventing weight gain and improving short-term metabolic markers, the research shows that long-term keto eating may trigger hidden biological changes that disrupt how the body processes fats and sugars. Conducted over many months in mice, the study challenges the widely held belief that extended keto dieting is harmless, revealing metabolic side effects that could carry significant health implications. The ketogenic diet forces the body into ketosis by drastically cutting carbohydrates and increasing fat intake

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