“If you sneeze when coming from a dark room into sunlight, it is because of a specific gene which is named ACHOO. I know because I have it. “Autosomal Dominant Compelling Helioopthalmic Outburst (ACHOO) Syndrome is characterized by uncontrollable sneezing in response to the sudden exposure to bright light, typically intense sunlight”
I seem to have stumbled upon the "bung hole" origin story
Government funded research sometimes reveals bear @$$ facts.