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Similar content being viewed by others Background The bloodbrain barrier (BBB) serves as a crucial physical barrier separating peripheral blood circulation from the central nervous system (CNS)
10.1016/j.burns.2008.11.010 Burns 32 MullerM.MerrettN
PMID 10652368
Plasma levels are highest in your early 20s and decline by more than 60% by age 60, a biological change that correlates directly with reduced tissue repair capacity, slower wound healing, and visible changes in skin and hair quality
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