Katelyn Thornleys affliction is a medical mystery.\r<br>\r<br>12-year-old Katelyn Thornley started sneezing a month ago, and she still cant stop. I thought it was like, Im allergic to something, she told INSIDE EDITION.\r<br>\r<br>A 12-year-old Texas girl started sneezing constantly about a month ago - and she hasnt stopped since. Katelyn Thornley sneezes up to 20 times per minute .\r<br>\r<br>Girl sneezes up to 12000 times a day Im constantly in pain\r<br>\r<br>Click here to see the video at TomoNews -- ANGLETON, TEXAS — Katelyn Thornley is the 12-year old Texas girl who just cant stop .
