" If you find that you sneeze when exposed to bright lights, you could have photoptarmosis or the photic sneeze reflex. It's present in a remarkable 18-35% of people and is sometimes referred to as ACHOO - Autosomal dominant Compelling Helio-Ophthalmic Outburst syndrome.Can you have photic sneezing without knowing it?
Photic sneeze reflex is an inherited, genetic trait. But since sneezing is a regular occurrence, it’s possible to have this trait without realizing it. It’s also a dominant trait. If one of your parents has this reflex, you have a 50 percent chance of inheriting ACHOO syndrome, too.What causes the photic sneeze reflex?
A photic sneeze results from exposure to a bright light and is the most common manifestation of the photic sneeze reflex. This reflex seems to be caused by a change in light intensity rather than by a specific wavelength of light.What is the science behind sneezing?
Sneezing is a natural body mechanism. In many cultures it is frowned upon as a social gaffe, especially if one doesn't have a tissue handy.