Erthygl
Ydy'r Deiet Isel-FODMAP yn Helpu Symptomau IBS Go Iawn?
Ydy'r deiet isel-FODMAP yn helpu IBS? Beth mae'r meta-ddadansoddiadau a chanllaw'r British Society of Gastroenterology yn ei gasglu, a phwy nad yw ar eu cyfer.
Y cyfeiriad gut-brain, wedi'i wahanu oddi wrth y marchnata
Mae'r cyfeiriad gut-brain yn real. Mae bron popeth a werthir ar sail hynny yn rhedeg blynyddoedd o flaen y tystiolaeth ddynol — gyda un eithriad mawr.
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Erthyglau diweddaraf
Erthygl
Ydy bwydydd eplesedig yn helpu'ch perfedd — a'ch hwyliau — go iawn?
Kefir, kimchi, kombucha ac iogwrt: beth mae treialon ar hap yn ei ddweud am fwydydd eplesedig, llid, y microbiom, gwybyddiaeth a straen.
The short version
Fibre has large, consistent, dose-dependent effects on hard outcomes and almost nobody eats enough of it. Probiotics have small and inconsistent effects on mood. Microbiome testing services have essentially nothing. The gap between those three statements is the whole story of this field.
Strong
Fibre is the finding that holds up
Dose-dependent reductions in all-cause and cause-specific mortality across meta-analyses. Most Europeans eat about half the recommended intake.
Weak
Do probiotics affect mood?
Meta-analyses find small effects on depression and anxiety symptoms, in trials with real quality problems.
Mechanism
What the axis actually is
Vagal signalling, microbial metabolites and immune pathways — most of it characterised in rodents.
Caution
Why your microbiome test tells you nothing
There is no validated healthy reference microbiome, and results vary by sampling and sequencing method.
Darllen cysylltiedig
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Coeliac disease news, guidelines and research — plus the practical business of eating.
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Crohn's disease and ulcerative colitis — guidelines, biologics, diet and the trigger-food question.
Cafodd y dudalen hon ei thrawsgrifiad yn awtomatig o Saesneg. Mae'r dyfyniadau a'r rhifau heb newid. Darllenwch y gwreiddiol Saesneg os yw unrhyw beth yn darllen yn rhy ddieithr. Darllenwch y gwreiddiol Saesneg