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The Doctor's Farmacy · September 14, 2026 · 21m

5 Foods That Are Making Your Brain Fog Worse

Dr. Mark Hyman discusses how brain fog often originates in the gut rather than the brain, focusing on five common foods that contribute to cognitive dysfunction. He explains the gut-brain connection, the role of inflammation, and how ultra-processed foods, alcohol, artificial sweeteners, dairy, and gluten can impair mental clarity. He also outlines an elimination diet approach to identify personal food triggers.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

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The Gut-Brain Axis00:01:31
Dr. Hyman outlines how the gut and brain communicate through the vagus nerve and microbiome, linking gut inflammation to brain fog.
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Highlights

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Ultra-Processed Foods and Gut Damage00:04:21
Ultra-processed foods can damage the gut lining and promote systemic inflammation that drives brain fog.
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Alcohol and Brain Fog00:06:51
Alcohol consumption is a common dietary trigger for brain fog due to its effects on sleep, gut health, and neurotransmitter balance.
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Artificial Sweeteners and Cognitive Clarity00:06:51
Artificial sweeteners, though often used to avoid sugar, may disrupt the gut microbiome and impair brain function.
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Elimination Diets for Identifying Food Triggers00:09:51
Removing common triggers like gluten and dairy, then reintroducing them, can reveal individual foods that cause brain fog.
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