Why do we sneeze when we look up at the sky?

Congratulations. You are one of about 20% of people who have photic sneeze. Like me. Interesting is, after having sneezed (for me always twice) the effect is gone. And it only happens when I go from shadow to very bright. It doesn't need to be the sun. A lamp does the same. read more

Congratulations. You are one of about 20% of people who have photic sneeze. Like me. Interesting is, after having sneezed (for me always twice) the effect is gone. read more

" He surmised that the heat of the sun on the nose was probably responsible. read more