Mood & neurochemistry
Inflammation induces IDO, which pulls tryptophan away from serotonin.
Not yet investigated
Inflammation induces IDO, which pulls tryptophan away from serotonin.
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.
Narrative review. Places the kynurenine branch at the junction of neuroinflammation, stress, the microbiota and BDNF regulation. Needs primary trial evidence alongside it before any claim that shifting this pathway changes symptoms.
Connected on the map
Also in Mood & neurochemistry
The letter
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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