Dr RR Baliga's "Got Knowledge Doc" Podkast

🧠🩸 A finger-prick may change how we detect Alzheimer's disease. A new Nature Medicine study shows that dried capillary blood spots can reliably measure key Alzheimer's biomarkers— p-tau217, GFAP, and neurofilament light —with strong concordance to venous plasma and cerebrospinal fluid results. 📊 In the DROP-AD multicenter study (7 sites, 337 participants), capillary p-tau217 correlated strongly...

🧬 Why Coronary Artery Disease Runs in Families   Coronary artery disease is not just lifestyle—it is deeply genetic. Rare monogenic disorders like familial hypercholesterolemia and hundreds of common variants together shape lifelong risk, with polygenic risk scores identifying individuals whose inherited risk rivals traditional factors 🫀.   The good news: genetic risk is modifiable . Early LDL l...

🧬⚖️ Cancer and Acute Coronary Syndromes: Precision Where It Matters Most   As cancer survival improves, more patients live long enough to face acute coronary syndromes (ACS) —often with competing risks of death, bleeding, and ischaemia . Yet these patients have been largely excluded from ACS trials, leaving clinicians to navigate uncertainty.   A landmark Lancet study introduces ONCO-ACS , the fi...

🫀 Rethinking DCD Heart Transplantation   A new JAMA Original Investigation reports encouraging early outcomes using rapid recovery with extended ultraoxygenated preservation (REUP) for donation after circulatory death (DCD) heart transplantation— without donor heart reanimation or machine perfusion .   🔬 In a 24-patient case series, REUP achieved 96% 30-day survival , low primary graft dysfuncti...

  ⏰🧬 Timing matters in cancer. A superb JCI Review, Rhythms of risk: the intersection of clocks, cancer, and chronotherapy , shows how circadian clocks regulate cell cycle, DNA repair, metabolism, immunity, hypoxia, and even metastasis—and how circadian disruption (e.g., night-shift work) can reshape cancer risk and treatment response. ⚖️💊 The takeaway: clock biology is context-specific , and a...

🫀 Residual Risk in Coronary Artery Disease Even after "optimal" therapy, many patients remain at risk. Why? Because atherosclerosis is more than LDL—it's thrombosis 🩸, inflammation 🔥, and metabolism ⚖️ working in concert.   This FAQ-based slide deck distills contemporary insights on residual thrombotic, lipid, metabolic, and inflammatory risk , and highlights emerging therapies—from dual-pathwa...

Swami Vivekananda reminded the world that spiritual strength and social service are inseparable 🕉️🔥 From Chicago in 1893 to India's national awakening, his message was simple yet radical: each soul is potentially divine—and serving humanity is serving the Divine 🌍🤝 More than a monk or philosopher, Vivekananda remains a timeless call to courage, compassion, and inner awakening ✨📚

🫀🧠🛡️ Sense. Signal. Scar.   A striking Cell study reframes myocardial infarction as a systems disease , not a heart-only event. Using single-cell and spatial transcriptomics in murine MI, the authors identify a triple-node heart–brain–immune loop : TRPV1-positive vagal sensory neurons (injury sensing) → hypothalamic paraventricular nucleus AT1aR neurons (central integration) → superior cervical...

🦵🌙 Restless Legs Syndrome: more than a sleep complaint   RLS affects ~3% of adults and is frequently missed or misdiagnosed as insomnia or anxiety. The latest evidence underscores three practical shifts: think iron (even when "normal"), choose gabapentinoids first, and beware dopaminergic augmentation .   For internists and frontline clinicians, recognizing RLS early can meaningfully improve sle...

🧠🩺 Why cancers behave the way they do—and why treatments fail For internists, cancer is not just an oncologic diagnosis but a systems disease : driven by dysregulated growth, immune evasion, metabolic reprogramming, inflammation, and adaptive resistance. The Hallmarks of Cancer framework offers a unifying clinical lens—explaining recurrence, cachexia, immunotherapy variability, and late relapse—...

📟🪑🏃‍♂️ A striking accelerometer-based analysis in The Lancet suggests that small, realistic behavior shifts could translate into meaningful mortality gains at the population level. For the least active adults, +5 minutes/day of moderate-to-vigorous physical activity (MVPA) was associated with preventing ~6% of deaths; applying a similar increase broadly (excluding the most active) could prevent...

🦵❤️ Peripheral Artery Disease is not just a leg problem—it's a life-threatening cardiovascular signal.   Up to 60% of patients are asymptomatic , yet PAD doubles to triples the risk of myocardial infarction, stroke, and death. Evidence is clear: exercise therapy, statins, antiplatelet or rivaroxaban-based strategies, blood-pressure control, and GLP-1/SGLT2 therapies save limbs and lives.   🚶‍♂️...

🫀 What do the 2026 AHA Statistics really tell us?   The latest AHA update makes one message unmistakably clear: prevention works—but only when systems work. From Life's Essential 8 🧭 to the rise of cardiovascular–kidney–metabolic (CKM) health 🩺🧪, the data show that blood pressure control, sleep 😴, physical activity 🚶‍♂️, nutrition 🥗, and nicotine cessation 🚭 shape not only heart outcomes,...

Sri Ramakrishna Paramahamsa showed that spiritual truth is lived, not debated 🌼🙏 Through devotion, deep experience, and simple parables, he taught that all religions are different paths to the same Reality 🛤️✨ His enduring message— serve humanity as the Divine —continues to inspire seekers, caregivers, and leaders alike ❤️🌍

CRT—now framed as cardiac physiologic pacing —remains a cornerstone for HFrEF patients with LVEF ≤50% and either high ventricular pacing burden or a wide QRS , with the biggest gains in LBBB and QRS ≥150 ms . ⚡🫀📈 Traditional  biventricular pacing has randomized-trial evidence (>10,000 patients) showing better symptoms, quality of life, remodeling, fewer HF hospitalizations, and survival benefit...

🩺 Hypertension control in the U.S. has stalled—despite better meds, better evidence, and better tools. 📉 The "paradox" isn't a mystery so much as a systems problem: therapeutic inertia, fragmented care, cost barriers, and inconsistent use of validated home BP monitoring. 🧩   What works is boring (and therefore powerful): standardized treatment protocols, team-based care, rapid follow-up, combin...

🧬 Why does cancer mostly strike later in life? This review frames an elegant answer: evolution built layered anti-cancer "barriers" optimized to protect us through reproductive years—not indefinitely. 🛡️   With aging, those safeguards fray: tissues remodel, epigenetic "noise" rises, inflammation smolders, and immune surveillance softens—so clones that were once contained can progress. 🕰️🔥   A fa...

🏃‍♀️🏋️‍♂️ Does variety in physical activity matter for longevity? A large prospective analysis suggests it does: people who engaged in a wider mix of activity types tended to have lower all-cause mortality , even after accounting for total activity and key covariates. 🌈📉   Key practical takeaway: don't just "do more"— do different (walk + cycle + swim + strength, etc.). ✅🫀   As always, this i...

🧠❤️ Rewiring the Heart—Literally   A striking Science Translational Medicine study shows that early reconnection of the right vagus nerve to the heart preserves ventricular mechanics, synchrony, and myocardial health—even when only ~20% of vagal fibers regenerate. 🧵🫀   Using a clinically relevant minipig model , the authors demonstrate that loss of parasympathetic input drives oxidative stress,...

Friedrich Nietzsche challenged the modern mind to think bravely, live honestly, and create meaning rather than inherit it 🧠⚡ From "God is dead" to self-overcoming , his ideas push us to confront nihilism and affirm life with courage and creativity 🔥🎭 More than a philosopher, Nietzsche remains a provocation—asking each of us: what values will you create? 🚀📚

Did you know the fat around our arteries is more than just padding? 🧬🩺 Recent findings show that deleting PRDM16 in perivascular adipose tissue transforms protective beige fat into fibrotic tissue, upregulating QSOX1 and driving hypertension 🩸📈. Activating brown fat or targeting QSOX1 could offer novel therapies. As internists, staying curious about adipose–vascular cross-talk might reshape ho...

🧬🧠❤️ The Immune System Is Not Just Defense — It Is Physiology   A superb Science Review (Nahrendorf, Ginhoux, Swirski, 2025) reframes immunity as a systems integrator , shaping brain function, heart rhythm, metabolism, pregnancy, and tissue repair—quietly maintaining homeostasis across the lifespan.   Immune cells are not visitors; they are residents, communicators, and regulators in every organ...

🧬💥 New cardio-oncology insight: DNA-damaging chemotherapy (highlighting carboplatin) can reprogram the heart's immune "resident staff" —specifically CCR2− cardiac-resident macrophages—followed by monocyte-driven repopulation that looks "resident-like." 🫀🛡️   In a mouse model, this post-chemo macrophage landscape was linked to less adverse remodeling after hypertensive stress (AngII/PE), with re...

🧠💧 How does the brain clean itself—and defend itself?   A landmark Neuron review unifies two once-separate stories: brain waste clearance and immune surveillance . The glymphatic system, powered by CSF flow, sleep, and vascular pulsatility, works hand-in-glove with meningeal lymphatics to clear toxins (β-amyloid, tau) and present brain antigens to the immune system.   💤 Sleep is not rest—it's m...

🏆 How do world-class performers really develop? A fascinating Science review (Güllich et al., 2025) overturns a deeply held belief: early stars are rarely future legends . Across sports, science, music, and chess, peak performers often showed slower early progress , less early specialization , and more multidisciplinary practice .   The lesson is lyrical in its simplicity: breadth before depth, p...