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Cholesterol remains one of the most debated biomarkers in cardiovascular medicine, yet many people still misunderstand what it actually tells us about metabolic health and disease risk. As research evolves, the conversation is shifting from simple cholesterol numbers toward deeper drivers of cardiometabolic dysfunction. In this episode of Extend, we sit down with Nick Norwitz, metabolic health researcher and physician scientist, to unpack the science behind cholesterol, insulin resistance, and cardiovascular risk. We break down the difference between LDL and ApoB, why insulin resistance may be a stronger predictor of heart disease, how statins work beyond cholesterol...

Chronic stress, cognitive overload, and neurodegenerative disease are rising as modern life pushes the brain beyond what it was designed to handle. At the same time, most people still have almost no visibility into how their brain is actually performing day to day. In this episode of Extend, we sit down with Ramses Alcaide, founder and CEO of Neurable, to unpack how brain computer interface technology is moving from research laboratories into everyday wearable devices. We break down how non-invasive EEG sensors built into headphones can track brain age, cognitive speed, mental recovery, focus, and stress, and...

Chronic inflammation, environmental toxins, and metabolic dysfunction continue to accelerate aging and chronic disease across modern populations. Many of the biggest drivers of health decline remain invisible, quietly accumulating in the body for decades before symptoms appear. In this episode of Extend, we sit down with Dr. Terry Grossman, physician, longevity expert, and co author of Transcend and Fantastic Voyage with futurist Ray Kurzweil, to unpack the science behind therapeutic plasma exchange and its emerging role in longevity medicine. We break down how environmental toxins, microplastics, heavy metals, and chronic inflammation influence aging biology, why traditional medical...

Chronic symptoms often get labeled, managed, and medicated, yet the root cause can remain hidden. Parasites, mold exposure, Lyme disease, and microbial imbalances may quietly disrupt energy, digestion, immunity, and cognitive clarity for years without being recognized. In this episode of Extend, we sit down with Kim Rogers, founder of RogersHood Apothecary and creator of the ParaFy Kit, to unpack the hidden role parasites may play in chronic illness and why this topic remains largely absent from conventional medicine. We break down how parasite exposure can occur through water, food, pets, and environmental toxins, why standard testing...

Strength is the foundation of longevity. When muscle, cardiovascular fitness, mobility, balance, sleep, and nutrition align, performance improves, metabolism sharpens, and aging becomes something you influence rather than fear. In this episode of Extend, we sit down with Fitz Koehler, founder of Fitzness.com, keynote speaker, race announcer, and five time author, to unpack her Four Pillars of Fitness and the exact formula for sustainable weight loss and long term vitality. We break down the difference between activity and deliberate exercise, why toning is a myth, how the grunt, huff, wince, and wobble signal true adaptation, and...

Most people think medicine is about treating disease. What if the real future of healthcare is preventing illness and optimizing human potential long before symptoms appear. In this episode of Extend, we sit down with Dr. David Luu, physician, former pediatric cardiac surgeon, and founder of the Longevity Docs movement. Dr. Luu shares his journey from high intensity surgery to longevity medicine, shaped by firsthand exposure to preventable disease, global health missions, and the realization that the current medical system is built for sick care, not health. We explore where longevity medicine is today, where...

Raising healthy children today requires more discernment than ever. Between conflicting vaccine guidance, ultra processed food marketing, and the explosion of screen exposure, modern parents are navigating a landscape filled with noise and strong opinions. In this episode of Extend, we sit down with Dr. Joel Warsh, board certified pediatrician and founder of Integrative Pediatrics, to unpack how parents can think critically about vaccine schedules, evaluate medical credentials online, and make informed decisions rooted in both data and context. We break down the evolving CDC recommendations, shared clinical decision making, the food pyramid reset, ultra processed food...

Chronic stress is quietly reshaping how we think, perform, sleep, and recover. In a world optimized for productivity, we rarely prioritize the one variable that determines long term resilience: recovery. In this episode of Extend, we sit down with Dr. Dave Rabin, neuroscientist, psychiatrist, and co founder of Apollo Neuro, to unpack the science of vagal tone, heart rate variability, and how safety signals in the body drive peak performance and mental health. We break down the difference between eustress and distress, how unresolved trauma suppresses recovery, why HRV may be the most powerful biomarker of resilience...

Fertility is declining while menopausal symptoms are appearing earlier. Metabolic dysfunction, chronic stress, and environmental exposures are reshaping reproductive health for both women and men. In this episode of Extend, we sit down with Dr. Mao Shing Ni, co founder of Tao of Wellness and Yo San University of Traditional Chinese Medicine, to unpack how Eastern medicine and modern science can work together to optimize fertility, support egg freezing outcomes, and reframe menopause as a powerful Second Spring. We break down sympathetic versus parasympathetic signaling, how stress suppresses ovulation, why metabolic health drives PCOS and sperm quality...

Teen mental health is deteriorating in real time, fueled by ultra processed food, chronic stress, and constant screen exposure. The earlier we intervene, the more resilient the biology and brain become. In this episode of Extend, we sit down with Abdullah, Zain, Emaad, and Qasim Ansari, hosts of The Holistic Kids' Show and co authors of The Teen Health Revolution, to unpack how simple lifestyle shifts can radically improve youth mental, metabolic, and emotional health. We break down their REVOLUTION framework, why gut health drives brain chemistry, how tech limits protect dopamine pathways, and why sleep, nature...

Most conversations about brain health focus on intelligence or genetics. True cognitive performance depends on how the brain is trained, supported, and allowed to recover across decades of life. In this episode of Extend, we sit down with Dr. Tommy Wood, neuroscientist and performance expert working at the intersection of elite motorsport and clinical brain research, to uncover how the brain adapts under extreme cognitive demand and how those same principles apply to long term brain health. We break down the 3S model of Stimulus, Supply, and Support, why recovery matters as much as training, and how...

Most women are taught to accept fatigue, weight gain, brain fog, and mood changes as a normal part of aging. What if the real issue has been overlooked gut health, muscle loss, and a medical system that failed to prioritize women's hormones. In this episode of Extend, we sit down with Dr. Amy Shah, MD, double board certified physician in internal medicine and immunology, to unpack the powerful connection between the gut microbiome, hormone balance, and long term health. We break down the estrobolome, why fiber and fermented foods regulate estrogen metabolism, how 30 grams of morning protein...