For those who are curious or suffer from google-itis, there are some informative websites with more background knowledge than you will ever need. Browse them at your leisure.
http://forums.glutenfree.com/ (the forum that helped me get through the first few months and continues to be an amazing support system!)
Most of the time, I will refrain from discussing the actual disease here, but wanted to give some options if you are interested in learning more. Feel free to ask any questions or inquire about other resources. Keep in mind that about 1 in 133 people have Celiac Disease, yet 97% are undiagnosed.