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These numbers come from heterogeneous models and are not interconvertible
In human umbilical vascular endothelial cells, metformin treatment increased the NAD + /NADH ratio, thereby increasing SIRT1 gene expression and reducing signs of cellular senescence and reactive oxygen species production (Zhang et al., 2015)
You have higher levels of the chemicals homocysteine and methylmalonic acid and reduced DNA synthesis, leading to neurological and psychological symptoms, such as confusion, mood swings, problems walking or talking, and irritability
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