Yini eyenza intsha idlule? Ngokukhula kweminyaka, i-collagen endala ephukile ayikwazi ukuxhumanisa i-collagen matrix, okuholela ekwehleni kwamandla e-fibroblasts. Ngaphezu kwalokho, kuhlanganiswe nokulahlekelwa okuphakathi konyaka cishe kwe-1% ye-collagen, izinga lokukhiqizwa kwe-collagen yesikhumba ...
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