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sneezing

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fatgaz | 19:42 Mon 04th Sep 2006 | Body & Soul
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i have blue eyes is this the reason i sneeze when ever i look at the sun, i know a sneeze is a reflex action but i cant figure out what causes this reflex and what the purpose of the sneeze is for

help its driving me crazy
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Sorry i cannot help but as I sometimes get this, (I have blue eyes) I will be watching your answers.
fatgaz, are you blonde as well?
A sneeze is a reflex triggered by stimulation of the membranes in the nose, resulting in a forceful expulsion of air through the mouth and nose. A "reflex" means that some type of stimulation of your body causes you to react in a way that is NOT under your control, in other words you do it automatically without thinking and you can�t even stop it.
I'm blonde and I'm one too.
This should help:

http://www.madsci.org/posts/archives/aug97/865 380242.Me.r.html
...as for the sunlight thing, it appears that up to 25% of the worlds population sneeze when they look at the sun. And it's not just the sun either, any bright light can trigger the sneeze reflex. I saw a sneeze experiment on TV the other week and one guy did sneeze after having a bright torch waved in his face. It actually is a little more complicated than i can explain so i hope this link puts your mind (and nose) at rest!

http://vision.about.com/od/opticsvisiontheory/ f/sneezereflex.htm
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thanks 4 all your reply`s, some interesting theories there.
perhaps ia m a sun sneezer !!

and yes i am blonde

once again thankyou

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