Do you sneeze at the Sun? I do. My brother does. Both my parents do. In fact, we are a family of Photic Sneeze sufferers. The Photic Sneeze Reflex (PSR), also known rather ridiculously as Autosomal Dominant Compelling Helioophthalmic Outburst (ACHOO) Syndrome (how long do you think it took researchers to figure out that acronym…) [...]


