1. Higher citrus consumption associated with 22% lower risk of incident depression.
2. 15 gut microbial species linked to citrus intake, with potential impact on depression.
3. F. prausnitzii enriched among those with higher citrus intake inversely associated with depression.
4. Citrus-specific effect observed, not significant for total fruit or vegetable intake.
5. Naringenin and formononetin linked to lower depression risk; study observational, cannot establish causality; limited generalizability due to the study population.

Source: Microbiome