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Study Reveals Rapid DNA Evolution Linked to Human Brain Growth

2/27/2025

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Summary

Story summary

A groundbreaking study from UC San Francisco uncovers that human accelerated regions (HARs) of DNA evolve at an astonishing rate, boosting neural connectivity in our brains compared to chimpanzees. While these regions fuel our advanced cognitive skills, their disruption poses risks for neurodevelopmental disorders like autism, shedding light on the intricate journey of human brain evolution.

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Story summary

A groundbreaking study from UC San Francisco uncovers that human accelerated regions (HARs) of DNA evolve at an astonishing rate, boosting neural connectivity in our brains compared to chimpanzees. While these regions fuel our advanced cognitive skills, their disruption poses risks for neurodevelopmental disorders like autism, shedding light on the intricate journey of human brain evolution.