Neuropeptide Y May Have Made Humans Smart and Overindulgent
A brain chemical may play a role in the development of our complex brain, as well as our inclination toward obesity and addiction
![Neuropeptide Y May Have Made Humans Smart and Overindulgent](https://static.scientificamerican.com/sciam/cache/file/5E698757-1691-45B7-8CE0C46DCD230261_source.jpg?#)
A brain chemical may play a role in the development of our complex brain, as well as our inclination toward obesity and addiction
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