The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Most people in the gut world who believe that they are gut experts or who think about the gut would look at a metric called alpha diversity which is a measure of the number of species within your gut as a measure of quote-unquote gut health there are epidemiology observational studies that show that in areas where people have more fiber they have better alpha diversity but that does not mean that more fiber from vegetables cause an increase in alpha diversity
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
these assertions are based on epidemiology they're based on observational studies studies comparing Italian children in the cities to kids in Burkina Faso which are much more Rural and what they find is that kids in rural areas eat more fiber but they have a greater Alpha diversity in their gut