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Internal MedicineStudy2 min read · distilled by Vetree AI

The gut-brain axis: a two-way relationship.

Clarke K, Heath S · The Veterinary record · 1 May 2026

Clinical bottom line

Recognize and address the bidirectional gut-brain relationship for improved clinical outcomes.

Summary

This article explores the bidirectional communication pathway between the gastrointestinal system and the central nervous system, known as the gut-brain axis. Clarke and Heath examine how gastrointestinal pathology can influence behavioral and neurological presentations, and conversely, how stress and behavioral states impact gastrointestinal function. The gut microbiome plays a crucial role in this relationship through production of neurotransmitters and metabolites that affect neural function. Understanding this axis is essential for veterinary practitioners, as it explains the interconnection between seemingly unrelated clinical signs. Gastrointestinal disorders may manifest as behavioral changes, anxiety, or aggression, while stress-related conditions can precipitate digestive dysfunction. The authors emphasize the importance of a holistic diagnostic and therapeutic approach that addresses both systems concurrently. Recognition of the gut-brain axis allows veterinarians to develop more comprehensive treatment plans that may include dietary modifications, microbiome management, behavioral intervention, and stress reduction strategies. This integrated perspective enhances clinical outcomes by addressing root causes rather than isolated symptoms, improving patient welfare across multiple organ systems.

Internal MedicineNeurologyBehaviorNutritionSmall Animal

This summary was distilled by AI and may occasionally misinterpret data. Confirm critical details with the primary literature before clinical application.