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Burn Selection: How Fire Injury Shaped Human Evolution
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DOI：10.1002/bies.70109.png)
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Abstract
En 中文
The mastery of fire transformed human evolution through advantages spanning diet, behavior, physiology, and ecology. While these benefits are well established, here we highlight a previously overlooked cost — and selective pressure — unique to humans: high-temperature burn injury. Unlike other species, humans and their hominin ancestors have faced increased lifetime risk of burns, which we argue has driven genetic adaptation. Drawing on comparative genomic evidence across primates, we suggest that genes associated with burn injury response — relating to wound healing and inflammation — show signs of accelerated evolution in humans. We propose that recurrent exposure to burns acted as a selective force in our lineage, helping to explain both beneficial adaptations and paradoxical maladaptive responses to severe injury. By framing burns as an evolutionary pressure, the Burn Selection Hypothesis invites a re-evaluation of how fire shaped human biology and offers new perspectives for understanding both the evolutionary past and modern burn care.
Keywords:
fire use
human evolution
inflammation
natural selection
thermal trauma
wound healing
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