Nutrients

High Inflammatory Diets Linked to Gut and Brain Barrier Health in Neurodegenerative Diseases

Updated

Abstract

A high dietary inflammatory index (DII) score is associated with proinflammatory properties of a Western diet.

  • Dietary habits can influence gene expression related to obesity, diabetes, cardiovascular disease, cancer, and neurodegenerative diseases.
  • A Western diet disrupts the gut microbiome, creating an environment linked to low-grade systemic inflammation and oxidative changes.
  • Increased intestinal permeability and compromised blood-brain barrier integrity may contribute to the development of diet-dependent neurodegenerative diseases.
  • The gut-brain axis may mediate proinflammatory signaling influenced by the inflammatory potential of the diet.

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