Bonus Episode: Nutritional Microbiology (GUT HEALTH & DIET) with Miguel Freitas and Elaine Hsiao

Bonus Episode: Nutritional Microbiology (GUT HEALTH & DIET) with Miguel Freitas and Elaine Hsiao

The microbiome is back! In 2018, we chatted with Dr. Elaine Hsiao - a UCLA microbiome researcher– and learned all about the hot cauldron of your guts. In this 2025 update bonus, we chat again with Dr. Hsiao to get updates on the last 7 years of her research. We also stop by White Plains, New York to hang out with Dr. Miguel Freitas, lead nutritional microbiologist and director of the non-profit Danone Institute North America, and ask a million questions about good vs bad microbiota, how they simulate a human gut in a lab, what exactly is a pre-biotic vs. probiotic, why are they such good friends, how diet can impact not only your gut health but also your heart and your brain — and if friendly yogurt critters are robust enough to make the journey from your mouth to your toilet.

Browse Dr. Freitas’s publications on ResearchGate

Visit the Hsiao Lab at UCLA and follow Dr. Hsiao on Google Scholar

Donations went to GiveDirectly.org/ologies and the Los Angeles Regional Food Bank

More episode sources and links

Other episodes you may enjoy: Microbiology (GUT BIOME), Molecular Neurobiology (BRAIN CHEMICALS), Fromology (CHEESE), Scatology (POOP), Gustology (TASTE), Cardiology (THE HEART)

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Editing by Mercedes Maitland of Maitland Audio Productions, Jake Chaffee, and Jarrett Sleeper of Mindjam Media

Managing Director: Susan Hale

Scheduling Producer: Noel Dilworth

Transcripts by Aveline Malek

Website by Kelly R. Dwyer

Theme song by Nick Thorburn


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