A beautiful yellow Labrador retriever stares at his owner eating breakfast. Two long strings of drool hang from his jowls.
Labrador retrievers are often described as “food-motivated.” This guy is.

Did you know a mutation called POMC causes some labs to have a 25% lower resting metabolic rate than other labs, but markedly increased hunger? I didn’t. It’s true. The same mutation exists in humans. Who knew? Now I’m thinking about lunch…

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