TWOTHOUSANDFREAKINGPOUNDS

So... After stumbling on the coppermind depictions on the vairous Aons, and seeing their symmetry, I wonder if they have anything to do with the shapes of the various cities on Roshar and the shattering of the Plains. It was just a thought I had while killing time at work.

So with how quickly the knights radiant heal, perfectly mending all wounds, it seems, do the radiants age? With how healing works in our normal bodies, those of us who can't absorb stormlight, do cells make perfect copies, much like wolverine does?