# Tell us an interesting random fact you stumbled across (Part 1)

**URL:** <https://boards.straightdope.com/t/tell-us-an-interesting-random-fact-you-stumbled-across-part-1/851674>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [April 13, 2020, 3:19am UTC](https://boards.straightdope.com/t/tell-us-an-interesting-random-fact-you-stumbled-across-part-1/851674 "2020-04-13T03:19:22Z")\
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**Author:** ![Zyada](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/zyada/32/3028_2.png) [@Zyada](https://boards.straightdope.com/u/Zyada)\
**Post date:** [July 21, 2021, 8:47pm UTC](https://boards.straightdope.com/t/tell-us-an-interesting-random-fact-you-stumbled-across-part-1/851674/2375 "2021-07-21T20:47:45Z")

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Photic sneeze response is also called autosomal dominant compelling helio-ophthalmic outburst syndrome … or ACHOO syndrome 🤦🏻‍♀️

> **[ACHOO Syndrome](https://www.ncbi.nlm.nih.gov/books/NBK109193/)**
>
> Autosomal Dominant Compelling Helioopthalmic Outburst (ACHOO) Syndrome is characterized by uncontrollable sneezing in response to the sudden exposure to bright light, typically intense sunlight (1). This type of sneezing is also known as photic...

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