The DNA of Things with Dr. Jeremy Koenig

Episode 66: Feeding the Future: How the Infant Microbiome Shapes Lifelong Health with Dr. Heather Armstrong

Dr. Jeremy Koenig Episode 66

In this episode of The DNA of Things, host Dr. Jeremy Koenig is joined by Dr. Heather Armstrong, a leading microbiome researcher and translational scientist at the University of Alberta. Together, they explore the dynamic interplay between gut microbes, nutrition, health, and performance—starting from birth and extending into peak human performance. Dr. Armstrong shares her unique academic journey, the science behind infant microbiome development, and how our daily habits—from breastfeeding to sleep—shape the ecosystems within us. Whether you're a parent, athlete, or health enthusiast, this episode offers invaluable insights on building a resilient and functional gut microbiome for lifelong vitality.

🔑 Key Takeaways:

  • 🧬 The gut microbiome is foundational to health, immunity, brain development, and performance.
  • 👶 Early-life exposures (birth method, breastfeeding, antibiotics) shape lifelong microbiome “fingerprints.”
  • 🍼 Synthetic HMOs in formula, environmental exposure, and diverse foods can help babies build microbial diversity.
  • 🧠 The gut-brain axis links gut microbes to emotional well-being, cognitive function, and mental health.
  • 🏋️‍♂️ A diverse microbiome may aid athletic recovery, decision-making speed, and injury prevention.
  • 🧪 Testing microbiome function—not just composition—offers a more accurate view of gut health.
  • 🌱 Whole foods, fiber diversity, lifestyle balance, and minimizing chronic stress are essential to feeding your microbes right.
  • 🧑‍🔬 We’re still in the infancy of microbiome science—personalization and systems biology are key to unlocking its full potential.

LINKS:

https://www.drjeremykoenig.com/
https://www.instagram.com/drjeremykoenig/
https://www.youtube.com/@drjeremykoenig


Here's the link for this week's episode: https://drjeremykoenig.substack.com/.