Your Diet May Be Making Your Mental Health Worse

Your Diet May Be Making Your Mental Health Worse

July 1, 2026 · 38 min · Episode 421

About this episode

This episode explores the connection between diet and mental health, discussing how various foods and nutrients can influence mood and well-being.

Can food affect anxiety, depression, cravings, fatigue, and brain fog? In this episode of The Harmony With Food Show, Meg Marie O’Rourke explains the connection between food, mood, blood sugar, gut health, the microbiome, and the gut-brain axis. She discusses how nutrition, functional testing, food sensitivities, nutrient deficiencies, inflammation, and lifestyle choices may influence mental health, digestion, sleep, energy, and overall well-being.In this episode, we discuss: Could anxiety and depression be affecting your food cravings? Can sugar, fast food, and ultra-processed foods make mood swings and anxiety worse? Why is the gut sometimes called the “second brain”? How are serotonin, dopamine, melatonin, and GABA connected to gut health? What is the gut-brain axis, and why does it matter for anxiety and depression? What are prebiotics, probiotics, postbiotics, and psychobiotics? Which fermented foods may support the microbiome? How can fiber-rich foods help feed healthy gut bacteria? Why might omega-3s, magnesium-rich foods, and colorful produce support mood and stress response? Why is random supplementation not always safe or effective? How can the wrong supplement routine…

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