Michael Pollan (author of "Cooked: A Natural History of Transformation") told the filmmaker, Maggie Beidelman, that her gluten intolerance could all be in her head.
She half agreed with him, because the number of Americans buying into the $10.5 billion "gluten-free" industry is disturbing.
There is so much more to learn about wheat - and how it has changed in just the last couple of generations - before we completely sign it off.