Episode 292 of The Paleo Solution Podcast with Robb Wolf.
Featuring guest: Dr. Michael Ruscio
http://drruscio.com/
 
Links to research:
 
4/5 found gluten is problematic for those who have react negatively to gluten but are not diagnosable as celiac,
while 1 of these studies found it may be a compound known as FODMAPs instead of the gluten itself.
http://www.ncbi.nlm.nih.gov/pubmed/23648697
http://www.ncbi.nlm.nih.gov/pubmed/21224837
http://www.ncbi.nlm.nih.gov/pubmed/22825366
 
Two study isolated for FODMAP **
http://www.ncbi.nlm.nih.gov/pubmed/25701700
4.375 g/day gluten or rice starch (placebo)
 
http://www.ncbi.nlm.nih.gov/pubmed/26056920
Non-Celiac Gluten Sensitivity Has Narrowed the Spectrum of Irritable Bowel Syndrome: A Double-Blind Randomized Placebo-Controlled Trial.
 
Diagnosis….
http://www.ncbi.nlm.nih.gov/pubmed/26096570
Diagnosis of Non-Celiac Gluten Sensitivity (NCGS): The Salerno Experts' Criteria.
http://www.ncbi.nlm.nih.gov/pubmed/25753138
SR with proposed NCGS diagnostic algorithm
 
Autoimmunity
http://www.ncbi.nlm.nih.gov/pubmed/26026392
High Proportions of People with Non-Celiac Wheat Sensitivity Have Autoimmune Disease or Anti-nuclear Antibodies.
 
Pathogens
http://www.ncbi.nlm.nih.gov/pubmed/23017673
http://www.ncbi.nlm.nih.gov/pubmed/23209841
Toxo P caused increase in anti-gluten IgG