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Description
Compared with normal skin fibroblasts, a greater number of keloid fibroblasts displayed a senescent phenotype and were arrested at the G0/G1 phase using a serum-limited culture approach, indicating the senescent tendency of keloid fibroblasts under simulated ischemic stress

are at least in part caused by B12 deficiency

Already sick with a cold or flu

Unless you have a diagnosed vitamin or mineral deficiency, nutritional needs are best met with food, not supplements
