I have the photic sneeze reflex so I sneeze when I look at bright light.Check out 23andMe: http://ve42.co/23andme*So technically the single ... ... <看更多>

The photic sneeze reflex, which causes uncontrollable sneezing in the presence of bright light, affects roughly 18 - 35 percent of the population.... ... <看更多>

Jan 5, 2015 - At least a quarter of us respond to bright lights by sneezing/ This is called the photic sneeze reflex, or ACHOO syndrome (Autosomal-dominant ... ... <看更多>