Should You Go Gluten-Free?

Can you be gluten intolerant without having celiac disease? Can gluten cause
symptoms not related to digestion? A growing body of evidence proves that non-celiac gluten sensitivity (NCGS) is not only real, but possibly a larger problem than celiac disease.
http://my.chriskresser.com/wp-content/uploads/membership-files/ebooks/Should%20You%20Go%20Gluten-Free.pdf