Commune with Jeff Krasno

Your Winter Immunity Playbook with Dr. Jeffrey Bland, Dr. William Li, and Dr. Roger Seheult

Dec 11, 2025
Join Dr. William Li, a physician and nutrition expert, discussing how gut bacteria influence immune function and the importance of food choices. Also featured, Dr. Roger Seheult, a critical care physician, shares insights on how vitamin D, quality sleep, and hot/cold therapies can enhance immune resilience. Together, they unpack the dynamic relationship between our microbiome and overall health, offering practical strategies to strengthen immunity as winter approaches.
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INSIGHT

We Are Built With Our Microbiome

  • We are populated and shaped by microbes from birth and even before.
  • Those microbes become integral partners in digestion, immunity, and development.
INSIGHT

Food Feeds Microbes That Feed Us

  • Food we don't absorb feeds gut microbes, which produce metabolites that influence our physiology.
  • Microbial metabolites improve insulin sensitivity, lipids, healing, and circulation.
ADVICE

Feed Your Microbiome Daily

  • Feed your microbiome with diverse plant fibers and polyphenol-rich foods as prebiotics.
  • Include fermented foods or targeted probiotics to introduce beneficial strains.
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