Many Labrador Retriever Dogs Really Are Hungry All the Time—It’s in Their Genes
One in four Labrador retrievers carries a gene that tricks their brain into thinking they’re starving
![Many Labrador Retriever Dogs Really Are Hungry All the Time—It’s in Their Genes](https://static.scientificamerican.com/dam/m/306cbd62607b1cd3/original/GettyImages-914802708_WEB.jpg?w=1200)
One in four Labrador retrievers carries a gene that tricks their brain into thinking they’re starving
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