Some sneeze when they see bright light, called a photic sneeze. It is also known as the ACHOO syndrome, and some researchers believe it runs in families. Hatham Djippers, 27, who lives in Oregon ...

ACHOO syndrome, aka photic sneeze reflex, is relatively harmless but may affect certain careers. What usually makes you sneeze? For most, it's typically dust, pollen, or some other unwelcome invader.