What is ACHOO Syndrome?

Some people have to sneeze suddenly and involuntarily when they step out of dark rooms into bright light, others make fun of it. Often sun sneezing is misunderstood as a symptom of sun allergy. Already Aristotle made considerations to this today as ACHOO syndrome – from its long English name: ACHOO syndrome (Autosomal Dominant Compelling … What is ACHOO Syndrome?