i love random topics like this. A great way to waste the working day!
I think it is possible to get a cut from a folder piece of paper, but very rare, and also not very easy to give yourself a papercut deliberately -
It got somewhat out of hand, but a lively discussion here ended with our MD asking our visiting VIP customer who then phoned his medically trained wife (waking her up at 5am local time as she is 11 hours ahead in Australia) who seems to think that if you are expectin git, you are subconsciously tensing your skin slightly, making it much harder!!!