Heart Attacks are Preventable!

Welcome to my podcast, I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist, a private practice of over 10,000 patients.

Australia, like the rest of the western world, has a heart problem.

Over 9 million people around the world die from heart disease every year.

Every 10 minutes, someone in Australia suffers a heart attack. And 21 lives are lost daily because of it.

The devastating fact in all this is… 

Almost every one of those cases could have been prevented. 

This podcast is for anyone who wants to improve their health literacy and gain information to help them make the best decisions about their risk of heart attack, their cholesterol, blood pressure, risk of diabetes, weight loss and general health. Join me on my personal mission journey to prevent Heart Attack on a global scale. If you like this podcast I would be honoured with a 5-star review and let your friends and family know, you may even save the life of someone you love!

Episodes

EP421: 60 Year Old Male Aging with Dr Khanh Part 3

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Podcast Summary Introduction: Dr. Warrick Bishop, a cardiologist, author, and CEO of the Healthy Heart Network, hosts this episode featuring Dr. Khan from the Austin Regenerative Therapy Center for their third conversation on anti-aging medicine. In this episode, they conduct a detailed case study analyzing Dr. Bishop's own health metrics and discussing personalized anti-aging interventions, moving beyond general principles to practical clinical application. Key Takeaways: A comprehensive anti-aging assessment begins with an extensive intake form, medical history review, family genetics, and detailed lab panels including hormones, lipoproteins, glucose markers, and inflammatory indicators. Key biomarkers to track include lipoprotein B, hemoglobin A1C, fasting insulin, sex hormones, thyroid function, vitamin D, DHEA, cortisol, homocysteine, and high-sensitivity C-reactive protein (a marker of inflammation linked to coronary disease). Low free testosterone in aging men can be effectively addressed through testosterone replacement therapy (TRT), which has been shown to reduce mortality and prostate cancer risk—contrary to previous misconceptions—and should be considered when PSA levels are normal. Multiple testosterone replacement options exist, including injectable testosterone (intramuscular or subcutaneous twice weekly), pellet insertion, and newer oral forms like Kaseates, with choice depending on individual preference and fertility considerations. Peptide therapies like BPC-157 (body protection compound) complement hormone replacement by enhancing tissue repair and recovery, allowing patients to train harder with reduced injury risk. Growth hormone-releasing peptides work synergistically with testosterone to improve muscle building, fat loss, bone density, cognitive function, and lipid profiles while supporting faster recovery from exercise. VO2 max is among the most predictive health and longevity markers, with high-intensity interval training being the most effective method to improve it, complemented by strength training to maintain muscle mass. Hormonal optimization and peptide therapy amplify the benefits of exercise rather than replacing it, making training more efficient and effective for body composition and energy improvements. Read more

EP420: Anti-Aging Toolkit with Dr Khanh Part 2

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary Introduction: Dr. Warwick Bishop, a cardiologist and CEO of the Healthy Heart Network, hosts this second part of a two-part episode featuring Dr. Khanh from a regenerative therapy center in Austin, Texas. The episode focuses on practical anti-aging therapies and techniques, building on previous discussions about hormone optimization and prevention medicine. Key Takeaways: Comprehensive hormone testing should include total and free testosterone, DHEA, full thyroid panel, cortisol, ferritin, inflammation markers (CRP, hsCRP), homocysteine, and vitamin D, with insulin being the single most important test if only one is available. Hormonal peak performance occurs between ages 18-25, with decline beginning after 30, making mid-30s an appropriate time to consider hormone optimization based on symptoms rather than age alone. Hormone replacement therapy is not necessarily a lifetime commitment; patients can discontinue, but will typically experience a return to age-related decline and lose protective benefits against heart disease, stroke, and dementia. IV vitamin, mineral, and NAD+ therapies are more effective than oral supplementation due to depleted soil nutrients and provide direct cellular energy support for mitochondrial function and ATP production. Peptides are natural amino acid sequences copied and synthesized in compounding pharmacies that signal the body to perform specific tasks such as repair, recovery, immune modulation, telomere length extension, and brain protection. The sequence and timing of peptide therapy is critical; using peptides in the wrong order can produce short-term benefits followed by negative effects, requiring careful strategic planning like servicing a car before high performance driving. GLP-1 peptides (like semaglutide and tirzepatide) extend far beyond weight loss, providing cardiovascular, brain, and gut protection when properly monitored with attention to muscle mass preservation and adequate protein intake. Successful weight loss peptide therapy involves training patients on proper nutrition and protein intake while monitoring body composition rather than scale weight, with transition to preventive low-dose maintenance once healthy body composition is achieved. Read more

EP419: Talking Anti-Aging Medicine with Dr Khanh Part 1

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Podcast Summary Introduction Dr. Warwick Bishop, a cardiologist, hosts this episode with Dr. Khan Quen, an anti-aging medicine specialist from Austin, Texas, whom he recently met at an event. The episode explores the shift from reactive, symptom-suppressing medicine to proactive, preventative anti-aging medicine, with Dr. Khan sharing his personal journey from ICU critical care to optimizing patients' health and longevity. Key Takeaways: Mainstream medicine is primarily reactive, waiting until people become sick before intervening, whereas anti-aging medicine focuses on prevention and early identification of health issues before they become serious problems. Dr. Khan transitioned from traditional internal medicine and critical care after experiencing burnout and being diagnosed with Graves disease, which prompted him to shift his medical philosophy toward understanding root causes rather than just treating symptoms. Hormone optimization is described as a "quick win" and foundation of anti-aging medicine, with proper hormone levels reducing risks of dementia, depression, osteoporosis, heart disease, and stroke regardless of gender. For men, optimal testosterone levels should be around 900-1200 ng/dL for protective effects against heart disease, stroke, dementia, and depression—a range higher than what standard age-based "normal" ranges suggest is acceptable. Comprehensive blood work serves as the diagnostic baseline, similar to servicing a vehicle, allowing physicians to identify subclinical conditions and optimize hormone levels before they become clinical diseases. Normal ranges for hormone levels differ significantly from optimized ranges; being within normal limits for age does not mean a patient is optimized for health and vitality. Hormone replacement therapy, when properly monitored and personalized, enhances existing traits rather than fundamentally changing personality, addressing common myths and fears about treatment side effects. Lifestyle optimization is the primary foundation before considering any medical interventions, making it the first step in Dr. Khan's anti-aging protocol. Many patients presenting as "healthy" actually have subclinical issues like low-grade inflammation, poorly controlled blood sugar, and suboptimal hormone levels that create opportunity for optimization before disease develops. The goal is to extend both lifespan and "health span"—the years lived in good health with energy, drive, and functional capacity—much like maintaining a valued vehicle through regular servicing. Read more

EP418: Allergic vs Idiosyncratic vs Tolerance and Doing it Naturally

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary Dr. Warrick Bishop, a cardiologist, CEO of the Healthy Heart Network, and author, hosts this episode to address two common patient conversations: statin intolerance and the preference for natural approaches to managing cholesterol and blood pressure. The episode focuses on helping patients understand different types of medication reactions and providing a realistic framework for considering pharmaceutical interventions alongside lifestyle choices. Key Takeaways: Allergic reactions to medications (anaphylaxis) are rare but serious and warrant discontinuing the medication entirely; they involve eosinophil-driven immune responses and require immediate medical intervention with adrenaline. Idiosyncratic reactions are unpredictable and unexplained adverse responses (like blood clots from the AstraZeneca vaccine) that occur in very small populations; medications should never be reintroduced after such reactions. Tolerance to medications is the most common type of adverse reaction and is manageable by finding the individual's optimal dosage level—similar to how people have vastly different tolerances to alcohol or foods like tomatoes. The goal of reintroducing statins for intolerant patients is to identify their personal tolerance threshold through gradual dose adjustment (from very low doses to various frequencies) rather than abandoning the medication entirely. Human DNA evolved 2-3 million years ago to support survival into the late teens or early 20s, not the 70s, 80s, or 90s we now expect to live. Modern medicine and public health have allowed humans to significantly outlive their original biological blueprint, meaning we must actively use science and medication to "outsmart our DNA" for longevity. Taking beneficial medications after age 20-30 is not "giving in to Big Pharma" but rather a smart strategy to maximize both lifespan and quality of life. The philosophy is to help patients "live as well as possible for as long as possible," which means finding medication regimens that provide health benefits without making patients miserable. Read more

EP417: Cholesterol—Separating Fats from Fiction

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary: Cholesterol—Separating Fats from Fiction Dr. Warrick Bishop, a cardiologist, author, and CEO of the Healthy Heart Network, hosts this episode to promote his new book Cholesterol Explained, co-authored with Karam Kostner and Penny Edmond. The episode aims to demystify cholesterol by explaining the difference between cholesterol as a molecule and cholesterol measured in blood tests, and to clarify common misconceptions about "good" and "bad" cholesterol in the context of heart disease prevention. Key Takeaways: Cholesterol is essential for the body and serves critical functions including building cell membranes, producing sex hormones, synthesizing vitamin D, and creating bile acids. What we measure in blood tests are lipoproteins (particles carrying cholesterol), not cholesterol itself, since cholesterol is a fat that would separate in blood without a protein carrier. LDL and HDL cholesterol are not simply "bad" and "good"—high LDL doesn't always correlate with plaque buildup, and high HDL doesn't always provide protection. Triglyceride levels are more important than previously believed, often indicating insulin resistance and poor metabolic health, and the triglyceride-to-HDL ratio is a powerful metabolic marker. Lipoprotein(a) is a genetically determined particle with very high affinity for coronary arteries and is strongly linked to premature heart disease. Imaging arteries to detect actual plaque buildup is crucial for risk assessment, as individuals can have perfect cholesterol numbers but significant arterial calcification. Statins are neither inherently good nor bad; their appropriateness depends on finding the right individual with actual arterial disease, similar to how Panadol works only for those with headaches. Predicting cardiovascular risk requires a comprehensive approach beyond blood tests, including inflammation levels, insulin resistance, blood pressure, lifestyle choices, and family history. Read more

EP416: Highlights of WCCL June 2025

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary Dr. Warrick Bishop, a cardiologist, author, and CEO of the Healthy Heart Network, shares highlights from the Fourth World Congress of Clinical Lipidology held in Vienna in June 2025. The episode explores cutting-edge research on cholesterol management, genetic factors in longevity, and emerging therapies that challenge conventional wisdom about heart disease prevention and treatment. Key Takeaways: LDL cholesterol can only be utilized by the liver, not by other body tissues, which means there is no physiological threshold below which lowering LDL becomes harmful. Research from ancestral primates and hunter-gatherer tribes demonstrates that humans naturally maintain very low LDL cholesterol levels, much lower than modern Western populations. Lowering LDL cholesterol does not increase the risk of hemorrhagic stroke, and multiple major studies show that aggressive LDL reduction actually reduces all-cause mortality and dementia risk. Five-year cardiovascular risk assessments can be misleading; a 45-year-old with "low" short-term risk may face a 30-40% lifetime risk of heart attack, warranting early intervention based on lifetime risk rather than short-term projections. Obisetrapid, a new CETP inhibitor, uniquely both raises HDL and lowers LDL cholesterol, offering promise after previous drugs in this class caused harm. Famous "blue zones" associated with longevity in Italy (Campo di Melli and Le Bon Sul Garda) owe much of their protective effects to specific genetic mutations like ANGPTL3 that lower LDL and triglycerides, not just lifestyle factors. The APO A1 Milano genetic variant found in certain populations provides significant heart attack protection despite lower HDL levels, demonstrating that genetic factors sometimes override conventional risk markers. CRISPR gene-editing technology is approaching clinical reality and may revolutionize treatment of single-gene cholesterol disorders, with cardiology and lipidology potentially leading the world in implementing these therapies. Coronary artery disease should be viewed as a lifetime condition that begins building in young years, making early risk modification strategies far more effective than waiting for high short-term risk. Read more

EP415: Inflammation—What, How, Why?

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. EP415: Inflammation—What, How, Why? - Summary Dr. Warrick Bishop, a cardiologist, author, and CEO of the Healthy Heart Network, hosts this episode focused on inflammation and its role in chronic disease. The episode provides a comprehensive overview of what inflammation is, its causes, detection methods, and evidence-based strategies to reduce it naturally. Dr. Bishop emphasizes that while acute inflammation is beneficial for healing, chronic low-grade inflammation is linked to heart disease, Alzheimer's, type 2 diabetes, autoimmune conditions, and various cancers. Key Takeaways: Inflammation exists in two forms: acute inflammation (helpful response to injury with visible swelling and redness) and chronic low-grade inflammation (simmering in the background, linked to major diseases) Visceral fat (fat surrounding organs) is a major driver of inflammation; a prominent belly is a strong indicator of visceral fat presence, even in people who appear overweight elsewhere Multiple lifestyle factors trigger inflammation: highly processed foods, sedentary behavior, poor sleep, chronic stress, environmental toxins, and chronic infections like gingivitis High-sensitivity C-reactive protein (HS-CRP) and erythrocyte sedimentation rate (ESR) are accessible blood tests to detect inflammation; they're inexpensive and worth requesting from your doctor Sleep is critically important for reducing inflammation; prioritizing good sleep hygiene should be a foundational health practice Physical activity reduces inflammation by burning excess energy at the cellular level, preventing oxidative stress and free radical formation Anti-inflammatory nutrition includes fiber-rich foods, eating a variety of colored vegetables, omega-3 oils, and avoiding ultra-processed foods, excess sugar, and alcohol Stress reduction techniques such as mindfulness and breathing exercises significantly lower inflammation through reduced cortisol and adrenaline release Strength training helps reduce visceral fat and improve insulin sensitivity, providing dual benefits for inflammation management While steroids can reduce inflammation short-term, natural approaches like sleep, exercise, stress management, and dietary changes are sustainable long-term solutions without side effects Read more

EP414: Modern (Metabolic) Syndrome

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary: Modern (Metabolic) Syndrome Dr. Auric Bishop, a cardiologist and CEO of the Healthy Heart Network, hosts this episode focused on understanding and reversing metabolic syndrome—a modern health crisis affecting Australians, where someone suffers a heart attack every 20 minutes. Guest Warwick discusses metabolic syndrome as a warning system for serious chronic diseases rather than a disease itself, explaining its causes and providing actionable strategies for reversal. The episode aims to empower listeners to avoid developing metabolic syndrome by understanding its risk factors and making sustainable lifestyle changes. Key Takeaways: Metabolic syndrome is diagnosed when three of five criteria are present: elevated waist circumference, high triglycerides, low HDL cholesterol, high blood pressure, and elevated fasting blood sugar. Insulin resistance sits at the core of metabolic syndrome, where cells throughout the body stop responding properly to insulin due to excessive carbohydrate exposure in modern diets. Visceral fat (fat stored around organs) is particularly dangerous and is linked to inflammation, higher blood sugar, elevated triglycerides, and reduced insulin response. Multiple lifestyle factors compound the problem: sedentary behavior, lack of exercise, sleep deprivation, chronic stress, and genetic predisposition all contribute to metabolic dysfunction. The primary intervention is reducing processed carbohydrates and adopting whole foods, with a Mediterranean diet approach being particularly effective. Regular physical activity is essential, but sustainability matters most—choose activities you genuinely enjoy to ensure long-term adherence. Even a 5-10% reduction in body weight can significantly improve insulin resistance outcomes. Stress management and quality sleep are critical, as chronic stress releases cortisol and glucose into the bloodstream, worsening metabolic dysfunction. Waist circumference (belt size) is a more honest and practical indicator of progress than weight scales. All recommended lifestyle changes—better nutrition, exercise, stress reduction, and improved sleep—address multiple aspects of metabolic syndrome simultaneously. Read more

EP413: Younger Sharper Stronger

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary: EP413 - Younger Sharper Stronger Dr. Warrick Bishop, a cardiologist, author, and CEO of the Healthy Heart Network, hosts this episode focusing on aging well and maintaining strength. At 60 years old, Dr. Bishop addresses the critical challenge of age-related muscle loss and explores how to preserve youth, mental sharpness, and physical strength through targeted health interventions. The episode emphasizes three key body systems—the brain, bones, and muscles—that require deliberate care as we age. Key Takeaways: Brain health is interconnected with cardiovascular health; managing blood pressure, inflammation, and metabolic health protects cognitive function and reduces dementia risk. Recent research demonstrates that lowering cholesterol levels, even with statins, reduces all-cause dementia, not just vascular dementia. Insulin resistance and poor metabolic health are linked to cognitive decline, with Alzheimer's disease sometimes referred to as "type 3 diabetes." Quality sleep is essential for brain health because it allows proteins that build up in brain fluid to drain away during sleep. Both aerobic activity and strength training are linked to improved long-term brain outcomes; combine these with a Mediterranean-style diet and adequate omega-3 oils (particularly DHA for brain health). Bone mineral density should be measured through a scan rather than guessed; hidden conditions can cause osteoporosis, making screening critical for anyone over 70 or with low-impact fractures. Load-bearing exercise, vitamin D, vitamin K2, magnesium, protein, and collagen are essential for building and maintaining bone density throughout life. Muscle loss (sarcopenia) leads to frailty, but strength training can be beneficial even into one's 90s, preventing loss of independence. Protein intake should be at least 1.5+ grams per kilogram of body weight daily; strength training sessions twice weekly combined with adequate protein supports muscle growth and metabolic health. Creatine supplementation and prioritized recovery/sleep enhance both brain function and muscle development; strength training improves insulin sensitivity, posture, balance, and mitochondrial health. Read more

EP412: Talking Psoriasis with Dr Foo and Dr Smith

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Episode Summary Dr. Warrick Bishop, a cardiologist and CEO of the Healthy Heart Network, hosts this episode with two expert guests: Dr. Fiona Foo, a general and interventional cardiologist from Sydney Cardiology Group, and Dr. Annika Smith, a consultant dermatologist specializing in complex inflammatory skin conditions. The episode explores psoriasis not merely as a skin condition, but as a systemic inflammatory disease with significant cardiovascular implications. Key Takeaways: Psoriasis is a chronic inflammatory skin disease affecting 2-4% of the population, characterized by rapid skin cell turnover resulting in scaly, heaped-up skin typically on elbows, knees, and scalp. Psoriasis is a systemic disorder extending far beyond the skin, affecting the heart, joints (psoriatic arthritis in ~30% of patients), brain neurochemistry (depression and anxiety), and liver, with excess cardiovascular mortality due to increased atherosclerosis rates. Only 20% of psoriasis patients are aware of the relationship between their skin condition and cardiovascular disease, and time to diagnosis is often prolonged, delaying effective treatment initiation. Psoriasis is an independent cardiovascular risk factor equivalent to diabetes, hypertension, or high cholesterol, with patients experiencing up to 50% increased risk of heart attacks and presenting with cardiac events earlier than non-psoriasis patients. Patients with psoriasis commonly have multiple concurrent cardiovascular risk factors including obesity, hypertension, diabetes, high cholesterol, and metabolic syndrome, creating a compounding effect on cardiovascular risk. Early diagnosis and prompt commencement of effective therapy are critical for altering disease trajectory and preventing comorbidities like heart disease. Disease severity markers—including body surface area involvement greater than 10%, longer disease duration, and increased inflammation—correlate with elevated cardiovascular risk, independent of the extent of visible skin involvement. Risk calculators used by clinicians may underestimate cardiovascular risk in psoriasis patients since psoriasis is not factored into standard risk assessment tools, necessitating treatment of these patients as high-risk similar to diabetic patients. Anti-inflammatory medications including statins, colchicine, and monoclonal antibodies like canakinumab should be considered for psoriasis patients due to their potential to reduce inflammation-driven atherosclerosis and cardiovascular events. Lifestyle interventions including diet, exercise, and weight management are crucial as obesity creates a vicious cycle that worsens psoriasis severity and increases inflammation, further elevating cardiovascular risk. Read more