Humans
The appetite genes: Why some of us are born to eat too much
Subtle differences in how we respond to food, driven by our genes, are the true reason we can struggle to keep to the weight we want to be
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Subtle differences in how we respond to food, driven by our genes, are the true reason we can struggle to keep to the weight we want to be
Female birds incubating eggs get an itch for specific foods, and their male partners somehow know what they want and deliver it to them