Cracking Your Genetic Code: Functional Genomics with Jaclyn Downs

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Saturday, February 7, 2026

In this episode of The Better Life, Dr. Pinkston sits down with Jaclyn Downs, MS, a certified functional genomics expert and author of Enhancing Fertility Through Functional Medicine.

While many people have heard of the "MTHFR" gene, Jaclyn explains to Dr. Pinkston why that is only the tip of the iceberg. They delve into how functional genomics—the study of subtle genetic variations you can actually influence through diet and lifestyle—holds the key to solving chronic issues like infertility, anxiety, migraines, and poor detoxification.

In this episode, you’ll learn:

Genetics vs. Genomics: The difference between fixed mutations and "snips" (SNPs) that you can optimize with nutritional cofactors.
The "Folate Trap": Why taking high doses of methylfolate can sometimes backfire if your B12 levels aren't addressed first.
Beyond MTHFR: Why looking at the big picture (including pathways like glucuronidation and histamine metabolism) is vital for hormone health and longevity.
Personalized Medicine: Why "automated" genetic reports often lead to "analysis paralysis" and why a customized, practitioner-led approach is essential.
Environmental Triggers: How toxins, stress, and poor soil quality interact with your unique genetic blueprint.

Whether you are struggling with unexplained infertility, chronic fatigue, or just want to optimize your "healthspan," this conversation provides a roadmap for using your DNA as a tool for empowerment rather than a source of fear.