A high-quality diet helps:

• Regulate the gut microbiota
• Reduce stress and inflammation in the brain
• Maintain proper cognitive function throughout life

To diversify the gut microbiome, researchers suggest:

• Diets enriched in omega-3 polyunsaturated fatty acids, eicosapentaenoic acid, docosahexaenoic acid, and docosapentaenoic acid and vitamin A
• High fiber diets
• Mediterranean diets
• Consuming fermented foods