Girl Sneezes 12,000 Times A Day [VIDEO]

I'm sure this girl is tired of hearing 'gesundheit'.  12-year-old Katelyn Thornley started sneezing a month ago, and she still can't stop.  At first she thought it was an allergic reaction to something, but still can't seem to figure out what is causing her to sneeze up to 12,000 times a day.

Watch her story: