Can bacteria control the human brain?

Jan 5, 2026Communicative & integrative biology

Can bacteria influence how the human brain works?

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Abstract

The prevalence of nervous and neurodegenerative diseases is steadily increasing alongside gastrointestinal and digestive system pathologies.

  • There is a recognized relationship between the nervous system and the digestive system through the .
  • Connections between these systems may also occur via the circulatory and immune systems.
  • The review aims to summarize existing literature on the influence of gut health on various central nervous system disorders.
  • Specific strains of gut bacteria could potentially impact particular disorders and pathologies.
  • Mechanisms by which microbiota affect brain function are explored in the context of these interactions.

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