Traumatic brain injuries (TBIs) have become a rising concern as modern technology exposes the brain to forces not faced by our ancestors. The human skull evolved primarily to withstand external blows from blunt-force trauma but is ill-equipped to handle rapid acceleration, deceleration, and rotational forces. As a result, modern TBIs represent a significant risk, given that the brain moves within the skull in ways that our evolutionary adaptations did not account for. Ensuring prevention strategies focus on reducing this rapid movement is now crucial for safeguarding against TBIs.
The evolution of the skull was driven by the need to protect against external blunt-force trauma. Early hominins developed thicker and more durable skulls capable of withstanding impacts.
Modern TBIs primarily result from acceleration, deceleration, and rotational forces that bypass the skull's protective capabilities, highlighting a gap in evolutionary adaptation to current technologies.
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