For those, like myself, who avoid the terrible Business Insider website, here is a direct link to the study:
http://www.realclearscience.com/blog/2014/05/gluten_sensitivity_may_not_exist.html
From your link;
” And last, but not least, nine days worth of urine and fecal matter would be collected. “
Uh,,,, kinda like “We have to pass it to see what’s in it.” Maybe Nan would like to be the study’s poop collector? Perfect job for her!
This study has decent controls including keeping
the FODMAP contribution isolated. After doing a decent
job on the basic test, the writer proceeds to display
a failure to search the literature for the causal
mechanism behind gluten sensitivity. There is plenty
to find. Try searching for zonulin and gliaden. The blogger
started with a preconceived result and did just enough
to try to give it a little support.