Photic Sneeze Reflex

Do lights make you sneeze? Then you should be happy to know you’re not alone. Up to 35% of the world’s population suffers from a condition known as photic sneeze reflex, or PSR. While relatively common, PSR is considered to be a poorly documented phenomenon, as it was still not entirely explained by science.

PSR is not considered to be a disease, and it’s irritating at most. However, extreme cases of PSR can be hazardous. The condition is often uncontrollable and can be harmful if you work in a sensitive job—a bad case of PSR can truly mess up a medical surgeon’s day…