42:40

In this Longevity and Lifestyle podcast episode, host Claudia von Boeselager interviews Dr. Jeffrey Bland, a pioneer of functional medicine and founder of Big Bold Health. The conversation begins with Dr. Bland recounting the origins of functional medicine, describing its four‑dimensional model of physical, metabolic, cognitive, and behavioral function, and how it emerged from a 1989 white‑board retreat with global innovators. He explains functional medicine as an upstream, root‑cause approach that predates disease diagnosis. The dialogue then shifts to the immune system, which Dr. Bland frames as a dynamic gateway that, together with the nervous system, determines health outcomes. He introduces the concept of immune rejuvenation, noting that immune cells turnover every 4‑5 months and can be refreshed through targeted interventions. The discussion moves to senolytics, highlighting early animal work combining the chemotherapeutic agent dasatinib (referred to as “Inosivim”) with the flavonoid quercetin, and later the related flavonoid fisetin, which promote clearance of senescent cells via epigenetic pathways. Dr. Bland describes a serendipitous series of events that led him to focus on Himalayan tartary buckwheat, a 4,000‑year‑old, gluten‑free grain rich in prebiotic fiber and polyphenols (quercetin, rutin, diosmin, hesperidin). Collaborations with a Chinese research group, a Vanderbilt scientist, and a Cornell‑trained farmer (Sam Beer) resulted in a supply chain for this grain and its incorporation into Big Bold Health’s product HDB Rejuvenate. Practical longevity advice is outlined: (1) stabilize blood glucose by limiting refined carbs and sugars; (2) increase dietary fiber (30‑40 g/day) from vegetables, legumes, and buckwheat; (3) “eat the rainbow” of naturally colored plant foods to obtain flavonoids. Dr. Bland emphasizes minimally processed, organic, and gluten‑free foods while warning against processed meats. A 90‑day pilot clinical trial (N=50) using a concentrated tartary buckwheat capsule measured immune‑system epigenetic age via an Illumina 850 k‑site chip. Participants showed an average 35 % reduction in immune‑system age after one turnover period, without changes to diet or exercise. The results are presented as a proof‑of‑concept that food‑derived flavonoids can re‑program immune epigenetics. The episode concludes with Dr. Bland’s vision of a future where people can live healthy centuries, supported by wearable health tech, wellness coaching, and broader cultural shifts toward evidence‑based longevity. Promotional mentions include Big Bold Health (bigboldhealth.com), his personal site (jeffreybland.com), and a sponsor, LiLa Quantum Tech, offering quantum‑energy products. Overall, the interview blends personal narrative, scientific explanation, product promotion, and actionable lifestyle guidance aimed at empowering listeners to rejuvenate their immune system and extend healthspan.

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