Why do we sneeze when we go from a dark theater to the bright outdoors? The photic sneeze reflex is a genetic trait many of us have, as part of the Autosomal Dominant Compelling Helo-Ophthalmic Outburst Syndrome, the backronym for ACHOO! This is part of a complete episode.

This site uses Akismet to reduce spam. Learn how your comment data is processed.