Can't Eat Gluten Anymore? Here's The Shocking Truth
What this video covers
This episode of The Doctor’s Farmacy pairs Hyman with Dr. Alessio Fasano, a GI health researcher, to explain the rise in celiac disease and gluten sensitivity. The conversation opens with the familiar puzzle: why can some people eat pasta in Italy without trouble but feel sick eating it in the United States?
Their answer is that modern wheat is not the wheat of previous generations, though the emphasis falls on processing more than on breeding. Fasano acknowledges that breeding raised wheat’s gluten content — from about 4% of dry weight two millennia ago to roughly 12% today — but says he does not believe the yield-focused varieties are what fuels the epidemic; he thinks it’s more about how we handle and process the products. He also rejects GMOs as an explanation. The sharpest processing contrast is in bread-making: the rapid two-hour industrial process in the U.S., he says, leaves behind inflammatory compounds that are broken down during the traditional 10-to-12-hour fermentation used in Europe, because yeast enzymes need the time to break down the toxic fragments humans can’t fully digest. They also discuss pesticides used on U.S. crops, the gut microbiome’s role in managing inflammation, and how modern sanitized lifestyles have altered the body’s ability to tolerate foods humans have eaten for centuries.
Hyman closes by noting that “gluten-free” on a label does not automatically mean healthy — a caveat aimed at the processed gluten-free products that, in his view, replicate the problems of the foods they replace.
Key points
- Fasano notes wheat’s gluten content rose with breeding (about 4% of dry weight to roughly 12%), but he argues the yield-focused varieties are not what fuels the epidemic — he blames how products are handled and processed instead.
- He rejects GMOs as an explanation for rising sensitivity.
- He contrasts America’s rapid two-hour bread-making with Europe’s traditional 10-to-12-hour fermentation, which he says breaks down inflammatory compounds.
- The two discuss pesticides on U.S. crops as a factor in rising gluten sensitivity.
- Fasano emphasizes the gut microbiome’s role in managing inflammation and autoimmunity.
- They argue modern sanitized lifestyles have reduced the body’s tolerance for long-eaten foods.
- Hyman notes the “eat pasta in Italy” phenomenon as evidence that processing and wheat varieties matter, not just gluten itself.
- He cautions that “gluten-free” labeling does not make a processed product healthy.
- The episode frames rising celiac and sensitivity rates as products of environmental and food-system changes, not just genetics.