Gluten as been a hot topic for some time in the recent years. Myself, I have had the discussion around the decision to cut out gluten or not, with many, many people.
While I could write a lengthy discussion on this topic, I think you should first check out this article that I wrote a few years ago. To sum it up, there has been an increase in celiac disease among the population, but we have also developed an increased tendency to rely on self-diagnosis and eliminate gluten from our diets.