Or not, since these aren't real conditions. But the Game Arthritis series of kind of makes us wish they were real. After all, scars tell a story, and it's about time video gaming gave us more impressive ones than just a calloused thumb.
Game Arthritis is a gallery by Matteo Bittanti and IOCOSE. There's some highlights above, but the full thing is at the link below.
Game Arthritis [IOCOSE - thanks Ben!]