When I feel like I have to sneeze, why does looking into the sun bring it on.?!

Question:

When I feel like I have to sneeze, why does looking into the sun bring it on.?

Answers:

The "photic sneeze reflex" actually occurs by looking into any light, not just the sun. It is due to a reflex that occurs in the brain. Not much else is really known of it.

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When I feel like I have to sneeze, why does looking into the sun bring it on.?!

When I feel like I have to sneeze, why does looking into the sun bring it on.?

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