Food scientists have discovered that when mice are fed a high-fat diet and become obese, they lose nearly 25 percent of their tongue’s taste buds. As a result, the mice—through an obesity-triggered metabolic malfunction—may be encouraged to eat more food.

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Food scientists have discovered that when mice are fed a high-fat diet and become obese, they lose nearly 25 percent of their tongue’s taste buds. As a result, the mice—through an obesity-triggered metabolic malfunction—may be encouraged to eat more food.