Photic Sneeze Reflex

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Sneezing evoked by strong light, which occurs in ± 25% of the population, especially whites
Aetiology Unknown; the trigeminal nerve nucleus may play a central role
References in periodicals archive ?
Is finding the single-nucleotide polymorphism (SNP) associated with the photic sneeze reflex that makes people sneeze when going from darkness to light groundbreaking research?
It is known as the photic sneeze reflex and whether you have it is determined by your genes.
AROUND 37 per cent of people have a photic sneeze reflux - which means exposure to bright sunlight makes them sneeze.
It's called the photic sneeze reflex - or Autosomal Dominant Compelling Helio-Ophthalmic Outburst Syndrome - a tendency to sneeze when suddenly exposed to bright light.