descriptive
Analysis v1
Strong Support
Baby mice can heal deep skin wounds perfectly when they're still in the womb, regrowing all the tiny parts like nerves and muscles so their skin works normally again — even making goosebumps. But just five days after birth, they lose that superpower and start healing with scars instead.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Hyperinnervation inhibits organ-level regeneration in mammalian skin.
Cohort Study
Animal
2026 Mar 20The study shows that baby mice can heal skin wounds perfectly before birth, but lose that ability soon after, which matches the claim. It also explains why—nerves grow too much after birth and block regeneration.
Contradicting (0)
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Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.