There really is no satisfactory scientific explanation. Stigmatics are deeply religious people.
We’re gonna do whatever we can to find out but all things considered, I think it might explain a lot.
Throughout history, only people who believe deeply in God have been afflicted with these wounds. The nearer they come to God, the more open they are to the torment of their demons. The Church regards it as a gift, a gift from God.
…looking for the candle that was lit two thousand years ago…