Why Do I Sneeze When Stepping Into Bright Sunlight?
1. Introduction Sneezing upon exposure to bright sunlight is a well-documented genetic neurological condition known as the photic sneeze reflex. This phenomenon occurs when the optic nerve, highly stimulated by a sudden influx of bright light, crosses signals with the trigeminal nerve, inadvertently triggering a sneeze response. For the majority of individuals, stepping into the … Read more