A new study suggests that gut microbes played a key role in the evolution of larger brains in primates by influencing energy production and usage. Researchers implanted microbes from humans, squirrel monkeys (large-brained species), and macaques (small-brained species) into mice, observing that microbes from larger-brained primates enhanced energy production, while those from smaller-brained primates favored fat storage.
A new study suggests that gut microbes played a key role in the evolution of larger brains in primates by influencing energy production and usage. Researchers implanted microbes from humans, squirrel monkeys (large-brained species), and macaques (small-brained species) into mice, observing that microbes from larger-brained primates enhanced energy production, while those from smaller-brained primates favored fat storage.
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