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Protozoa

Blastocystis

The commonest parasite in human stool — and in a 1,098-person study it tracked with BETTER glucose after meals, not worse.

Filed under Pathogen Constellation Protozoa Status Upcoming

Not yet investigated

What we have so far

The commonest parasite in human stool — and in a 1,098-person study it tracked with BETTER glucose after meals, not worse.

This star is on the map because the show intends to take the question apart properly — the trials, how it is actually tested, whether the thing sold is the thing studied. That work is not done yet, and nothing here should be read as a conclusion. When the investigation is published it will appear on this page.

What we are reading

Gathered for the investigation and not yet written up. Each note says what the paper does and does not show.

  1. Asnicar F, Berry SE, Valdes AM, et al. Microbiome connections with host metabolism and habitual diet from 1,098 deeply phenotyped individuals.Nat Med · 2021 · 27(2):321–33210.1038/s41591-020-01183-8 · PMID 33432175

    PREDICT 1. Deep metagenomics on 1,203 gut microbiomes against hundreds of cardiometabolic markers. Blastocystis spp. came out as an indicator of FAVOURABLE postprandial glucose metabolism, alongside Prevotella copri. A marker of a good diet is not the same as a cause — but it is the strongest single argument against treating every carrier, and it is the number to open the episode with.

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The letter

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The full citation list for each investigation, the studies that didn't make the episode, and any corrections — sent the morning it publishes.

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