Microbial dysbiosis as a diagnostic marker in psychiatric disorders: a systematic review of gut–brain axis disruptions

Key Points

• Microbial dysbiosis is identified as a potential diagnostic marker for various psychiatric disorders.
• The review highlights gut-brain axis disruptions across several studies indicating significant behavioral correlations.
• Systematic review analyzed multiple datasets to establish the relationship between gut microbiota and mental health outcomes.
• This suggests that microbial composition may serve as a biomarker in diagnosing psychiatric disorders.