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TIL about Photic Sneeze Relfex (en.wikipedia.org)

submitted 2 years ago by [email protected] to c/[email protected]

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Today I learned about the term Photic Sneeze Reflex. For me it's very mild and actually kind of advantageous. When I feel a sneeze coming on but it begins to fade I can make it happen by looking directly at a bright light.

I had no idea that not everyone can do this, between 18-35% of people. Also for some it is entirely detrimental, resulting in sneezing fits.

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[–] [email protected] 1 points 2 years ago (1 children)

It used to be useful for me in my younger years: I could force an oncoming sneeze by gazing at the sun or into a light bulb. Now, I'll just erupt into sneezing fits if it's too bright out. Thanks, biology.

[–] [email protected] 1 points 2 years ago

That has definitely happened to me before but was exacerbated by severe pollen allergies