You (and I) probably have the photic sneeze reflex. Maybe a third of people have it. Its cause is not perfectly understood, but maybe relates to sensory informa

You (and I) probably have the photic sneeze reflex. Maybe a third of people have it. Its cause is not perfectly understood, but maybe relates to sensory information from the nose and the eyes traveling along some of the same nerves. https://en.wikipedia.org/wiki/Photic_sneeze_reflex https://en.wikipedia.org/wiki/Photic_sneeze_reflex