BackInTheGame78
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Interesting...
"Two papers published in the January issue of Nature Neuroscience help answer this riddle. In a two-part study, scientists in the United Kingdom demonstrated that a genetic event 550 million years ago that led to the duplication of certain genes fostered the evolution of complex nervous systems and behaviors in humans, mice and other vertebrates. That event, however, also led to a downside for vertebrates: the development of mental illnesses."
No different than when thinking of anything else really...when you upgrade something, you pay for it somewhere, there are no free lunches so to speak in evolution or anything else in life.
"Two papers published in the January issue of Nature Neuroscience help answer this riddle. In a two-part study, scientists in the United Kingdom demonstrated that a genetic event 550 million years ago that led to the duplication of certain genes fostered the evolution of complex nervous systems and behaviors in humans, mice and other vertebrates. That event, however, also led to a downside for vertebrates: the development of mental illnesses."
No different than when thinking of anything else really...when you upgrade something, you pay for it somewhere, there are no free lunches so to speak in evolution or anything else in life.