Lately, it seems as though gluten is being blamed for a vast host of ailments – everything from irritable bowel syndrome (IBS) to attention-deficit disorder – with an ever increasing number of people seeking relief through a gluten-free diet. While this strict regimen is absolutely critical for people with a confirmed diagnosis of celiac disease, doctors warn that inappropriately following the gluten-free diet can lead to a variety of nutrient deficiencies, among other unintended effects.