02/22/2026
Gut microbiota play a foundational role in shaping emotional and cognitive functions.
Translation: The bacteria in your intestines are making the chemicals that determine how you feel right now.
Feed them processed food, sugar, zero fiber? Less serotonin. More depression.
Feed them fermented foods, omega-3s, fiber, tryptophan? More serotonin. Better mood.
This is peer-reviewed neuroscience, not a diet trend.
Save this. Try it for 2 weeks. Report back.