Decoding Your Reality: Epigenetics, Carb Tolerance, and the Map to Longevity with Dr. Sam Shay

Decoding Your Reality: Epigenetics, Carb Tolerance, and the Map to Longevity with Dr. Sam Shay

June 19, 2026 · 1h 1m

About this episode

Dr. Sam Shay discusses how functional genetics testing and lifestyle choices can impact health and longevity.

Are you blindly following health trends or guessing your way through nutrition, exercise, and supplementation? In this episode of Will Carr Speaks, host Will Carr sits down with Dr. Sam Shay, DC, a certified functional medicine professional and distributor for FitGenesUSA. Dr. Shay breaks down how functional genetics testing provides a personalized blueprint for your health, revealing why traditional disease tests miss the mark and how prioritizing the core drivers of chronic illness can rewrite your physical reality. They dive into the science of epigenetics, illustrating how lifestyle choices act as a volume knob for your genes rather than a strict on-off switch. Dr. Shay shares his raw journey of pivoting to natural healing after facing childhood chronic illness and massive dietary misalignments. From the biological mechanisms of carb tolerance and caffeine-induced anxiety to the truth behind peptides and over-training, this conversation is an essential guide to unlocking peak structural longevity. MAIN TOPICS COVERED: The Four Types of Genetic Testing: Differences between genealogy, paternity, medical pathology, and functional genetics testing. Epigenetics and the Dial…

Topics covered

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