Uploaded May 2025 | Updated September 2026, 6 hours ago

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Dr. Sean Spencer from Stanford's Microbiome Lab: probiotic pills reduce microbiome diversity and survival rates for cancer.

Viva Longevity's mission is to find the most credible scientists and help them tell their stories.

PAPERS:

Post-Antibiotic Gut Mucosal Microbiome Reconstitution Is Impaired by Probiotics and Improved by Autologous FMT
cell.com/cell/fulltext/S0092-8674(18)31108-5

Dietary fiber and probiotics influence the gut microbiome and melanoma immunotherapy response
science.org/doi/10.1126/science.aaz7015

VIDEO:

Feeding Your Microbiome: Dietary Strategies for Wellness and Disease Prevention
youtu.be/zib0MmDrHPg

0:00 Dr. Sean Spencer MD, PhD
2:11 Probiotic pills are risky
4:39 Probiotic pills and cancer
15:36 Freezing your poop for a rainy day
23:58 Why fermented food is healthy
28:01 Fiber
32:28 Industrialization of the microbiome
39:12 Soluble vs insoluble fiber
48:09 GLP-1, fiber, and weight
59:54 Fecal transplants for IBD
1:02:28 What your poop reveals
1:14:58 Healthy gut for athletics