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ACHOO Syndrome: Sneezing Linked to Bright Light Exposure

9/9/2025

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Story summary
  • Manuel Spitschan and his father have ACHOO syndrome, causing sneezing in bright light.
  • This genetic condition affects about 25% of people and is inherited in an autosomal dominant manner.
  • Research focuses on identifying genetic variants and understanding neural mechanisms behind ACHOO syndrome.
  • Studies indicate that visual overstimulation may trigger sneezing through a series of reactions.
  • Spitschan's team is using wearable light loggers to track light conditions that cause sneezing.
  • Results show a strong link between increased light levels and sneeze occurrences.
  • Insights from ACHOO syndrome may enhance understanding of sensory signal integration in the brain.