How to Take Charge of Your Health Based on Your Genetics Ep 7

8 Mar 2021 · 45 min
Episode

8 Mar 2021 · 45 min

0:00

In this episode of the Find Your Edge podcast, host Christina Fiumara Newport interviews Yael Jaffe, PhD and founder of 3x4 Genetics. Yael shares her journey from a disillusioned dietitian to a nutrigenomics researcher, explaining how genetics and nutrition intersect. She distinguishes nutrigenetics (insight – learning how DNA variations affect individual responses to food, exercise, and environment) from nutrigenomics (action – using diet, lifestyle, and supplements to modulate gene expression, i.e., epigenetics). The conversation covers how everyday choices (e.g., coffee vs. matcha, cold swims, massage) immediately switch genes on or off, and why health is a series of moment‑to‑moment decisions. Yael highlights sulforaphane from raw cruciferous vegetables as a “master switch” that activates NRF2, turning on ~500 health‑supporting genes involved in detoxification, inflammation, oxidative stress, glucose regulation, and hormone metabolism. She explains that cooking destroys the myrosinase enzyme needed to produce sulforaphane, recommending raw crucifers, broccoli sprouts, or validated supplements. The duo then details the 3x4 Genetics testing process: a saliva swab, analysis of six functional domains (upstream cellular processes, systems like glucose/hormones, mood, cardiovascular, energy, and sports performance), and a report that distills findings into four sets of three priorities – the three most critical pathways, three dietary changes, three lifestyle tweaks, and three targeted supplements. This framework helps practitioners give concise, personalized recommendations without overwhelming clients. The episode explores applications for athletes, such as tailoring sport‑specific roles, injury‑prevention training, and individualized recovery schedules, emphasizing that more training is not always better because excessive exercise creates chronic inflammation that can overwhelm the body. Yael also discusses the impact of pharmaceuticals, performance‑enhancing drugs, and NSAIDs on gene regulation, warning that they can “short‑circuit” natural pathways. Finally, she offers practical take‑aways: eat broccoli sprouts daily, incorporate cold‑water immersion, and remember that every decision can reset gene expression toward better health.

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