When I was in grade 5 I had some nasal and breathing problems to I went to an ear,nose and throat specialist. He decided that the best thing to do would be to take this long fiberglass tube with a camera on the end and shove it right down my nose and into my throat. Holy shit it was so uncomfortable and painful, it felt so weird when he got it all the way through, it kept tickling the back of my throat and making my gag reflex go crazy. I never went back after that for some odd reason even though we made an appointment..still have the breathing problems too. Moral of the story, do not let people shove fiberglass tubes down your nose and into your throat.