Young V. Old (IMAGE)

University of Pennsylvania School of Medicine

Young V. Old

Caption

An enzyme called SIRT1 declines in the blood vessels with age and restoring it reverses the effects of vascular aging. After receiving a supplement called NMN, older mice showed increased capillary density, blood flow, mobility, and endurance.

Credit

Cell; Zolt Arany, Perelman School of Medicine, University of Pennsylvania

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