There are people who have been diagnosed with Celiac Disease or other conditions which prevent them from eating wheat in any form, ever. Real harm can be done to their bodies if they eat wheat.
this post is not meant for them!
However, there are also people who notice ambiguous reactions to wheat, who are not quite sure if they are completely gluten intolerant. They may be wheat sensitive in some conditions, and have been sitting the fence on whether or not they should go gluten free.
If this sounds like you, this post has information you may want to consider!