Brings to mind the MRI scans of the thighs of an elderly athlete versus an elderly sedentary man https://www.bettermovement.org/blog/2012/use-or-lose-looks-like

Brings to mind the MRI scans of the thighs of an elderly athlete versus an elderly sedentary man https://www.bettermovement.org/blog/2012/use-or-lose-looks-like https://www.bettermovement.org/blog/2012/use-or-lose-looks-l...