#332 | The Hidden Power of the Infant Microbiome: Optimizing Exposure in Birth & Breastfeeding

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In this episode, filmmaker and microbiome advocate Toni Harman joins us to explore the groundbreaking science behind establishing the infant microbiome—and why the earliest moments of life matter so much for lifelong health. Toni shares her personal journey from an unexpected C-section to uncovering how birth methods, antibiotics, and feeding choices shape immunity, metabolism, and risk of chronic disease over our lifetime.

Key Points Discussed Include:

• Why vaginal birth, skin-to-skin contact, and early exclusive breastfeeding are the gold standard for seeding a healthy microbiome;
• How C-section birth changes microbial exposure—introducing hospital and staff microbes instead of the mother’s;
• Why even a single bottle of formula can shift the gut microbiome, and how exclusive breastfeeding and skin-to-skin can help restore balance;
• The fascinating recent research about vaginal seeding during C-sections...is it actually effective?
• The impact of newborn exposure to maternal gut microbes at birth;
• How the microbiome begins to “lock in” by age 2–3, and ways to keep building resilience through early childhood.

Buckle up for some mind-blowing ideas in this episode! As always, Mother Nature has the perfect, albeit a little dirty, plan! 

Microbirth Film

Instagram: Toni Harman

Watch this episode in full video format on YouTube.

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