Dr RR Baliga's "Got Knowledge Doc" Podkast

The New England Journal of Medicine has now given us randomized trial evidence for a question long guided more by extrapolation than by direct proof: in patients with established atherosclerotic cardiovascular disease, targeting LDL cholesterol to

New in Circulation : the 2026 AHA Dietary Guidance to Improve Cardiovascular Health distills prevention into 9 elegant features—maintain healthy weight, emphasize vegetables/fruits, choose whole grains, favor healthier proteins and unsaturated fats, minimize ultraprocessed foods, added sugars, and sodium, and avoid starting alcohol for health. Food, here, is not garnish; it is strategy. 🥗🌾🩺 #Ca...

📚 From prisons to clinics to classrooms — what really shapes us?   I've been exploring the philosophical work of Michel Foucault, and one idea keeps echoing:   👉 Power isn't just something imposed from above — it quietly operates through systems, language, and everyday norms.   From how we define "normal" to how institutions like schools, hospitals, and prisons function, Foucault challenges us t...

Left atrial appendage closure—promise meets proof, and proof meets pause.   In The New England Journal of Medicine , two pivotal trials draw a nuanced arc: CHAMPION-AF shows noninferior stroke prevention with less bleeding vs direct oral anticoagulants, while CLOSURE-AF tempers enthusiasm—failing noninferiority in older, high-risk patients with meaningful procedural risk.   The message is elegant...

Evolocumab steps into primary prevention—quietly, convincingly. In JAMA , the VESALIUS-CV analysis shows that high-risk patients with diabetes without known atherosclerosis experienced a 31% relative reduction in first MACE (HR 0.69), with LDL-C lowered to ~52 mg/dL. The signal is clear: earlier, deeper lipid lowering matters. Yet questions remain—cost, long-term safety, and who benefits most. Are...

A quiet valve, a loud message. 🫀 The 10-year follow-up of the RECOVERY trial in The New England Journal of Medicine shows that early surgery in asymptomatic very severe aortic stenosis is not premature—it is protective. A striking reduction in cardiovascular mortality (HR 0.10, P=0.002) and sustained divergence of Kaplan–Meier curves challenge the long-held "watchful waiting" paradigm. Perhaps we...

Cardiology stands at a quiet inflection point. We have spent decades treating plaque—yet the real opportunity lies upstream: preventing atheroma before it begins. Emerging evidence reminds us that cumulative LDL exposure, not just snapshots of risk, shapes lifelong cardiovascular destiny.   A shift is underway: → From 10-year risk to lifetime risk → From reactive care to proactive prevention → Fro...

Resistant Hypertension remains one of the most under-recognized yet high-risk phenotypes in cardiovascular medicine. Nearly 1 in 5 treated patients meet criteria for apparent resistance—and up to half may reflect nonadherence or white-coat effect.   This concise visual series distills key insights from a recent JAMA review on diagnosis, pathophysiology, and stepwise management—including the pivota...

Sound. Mask. Mastery 🎼   A fascinating insight from C. V. Raman reminds us that hearing is not just perception—it is physics in motion. His 1926 Nature note reveals how lower tones quietly veil higher ones, shaping what we think we hear.   In music—and in science—what is hidden often matters most.   #Acoustics #CVRaman #Psychoacoustics #SoundScience #NatureJournal

Yajnavalkya: Vedic Sage • Radical Thinker • Timeless Voice 🕉️📜✨   What does it mean to know the Self? Long before modern philosophy, Yajnavalkya in the Brihadaranyaka Upanishad asked—and answered—with striking clarity.   "Neti, Neti" (not this, not this) strips illusion, revealing the essence of consciousness—Atman as Brahman.   In dialogues with Maitreyi and Gargi, he models fearless inquiry, i...

Emerging insights from Nature Spotlight on Nutrition sharpen a simple truth: what we eat matters—but when and how may matter just as much. Morning coffee aligns with lower cardiovascular mortality, plant-forward diets sculpt a favorable microbiome, early-life sugar exposure imprints lifelong risk, and not all potatoes are equal—fried forms carry harm, not the humble baked.   Nutrition is no longer...

Dopamine is not just the "pleasure chemical"—it is the brain's teaching signal 🧠✨   New insights (from Nature ) suggest dopamine shapes how we learn, prioritize, and act—not only through reward, but also via attention, action, and even threat detection 🎯🔁   This evolving paradigm has profound implications for ADHD, addiction, and behavioral medicine 🩺   I've summarized the science into a conc...

A striking study in Science Translational Medicine reveals that the blood–brain barrier remains disrupted years after retirement in contact-sport athletes. This persistent leakiness is linked to systemic inflammation, complement activation, and measurable cognitive decline.   Notably, imaging of BBB dysfunction outperformed conventional blood biomarkers—offering a potential path toward early detec...

The thymus—long dismissed as vestigial in adults—re-emerges as a powerful biomarker of health and therapeutic response.   Two Nature (2026) studies demonstrate that AI-derived thymic health independently predicts all-cause mortality, cardiovascular death, and cancer risk, while also forecasting immunotherapy outcomes across tumor types—performing comparably to PD-L1 and tumor mutation burden.   Th...

A quiet shift is underway in metabolic medicine. A recent Nature study shows that continuous data from wearables—heart rate, sleep, activity—combined with routine labs can detect insulin resistance years before traditional tests. Not snapshots, but a "movie" of physiology.     This opens a wider window for prevention: simpler interventions, earlier action, better outcomes. The future may lie not i...

LVAD patients are increasingly encountered in emergency rooms and ICUs, yet many clinicians remain uncertain about initial management. A recent  JACC State-of-the-Art Review provides a practical framework for recognizing and treating LVAD emergencies , from pump thrombosis and right-heart failure to arrhythmias and GI bleeding. Key pearls: LVAD patients may lack a palpable pulse , Doppler is prefe...

Jiddu Krishnamurti challenged one of humanity's deepest assumptions—that wisdom must come from teachers, traditions, or systems. Instead, he argued that genuine understanding begins with self-observation and choiceless awareness .   In this short slide set, I summarize the life and ideas of Jiddu Krishnamurti (1895–1986) —the thinker who famously declared: "Truth is a pathless land."   📚 The slid...

🧠🦠 Microbes. Metabolites. Memory.   A fascinating new Nature study reveals a gut–brain pathway driving age-related cognitive decline.   Expansion of Parabacteroides goldsteinii in aging microbiomes increases medium-chain fatty acids , activating GPR84 signaling in peripheral myeloid cells . The resulting inflammation suppresses vagal sensory signaling , blunting hippocampal neuronal activation a...

Lipids remain central to cardiovascular prevention. The 2026 ACC/AHA Dyslipidemia Guideline introduces several important shifts:   • PREVENT equations replace older ASCVD risk calculators • Lipoprotein(a) measurement recommended at least once in all adults • ApoB helps identify residual lipoprotein risk • Coronary artery calcium scoring refines treatment decisions • LDL-C targets return, with

🧬🧠❤️ 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...

A fascinating new study reveals a previously underappreciated pathway for tau clearance in the brain .   Researchers show that tanycytes—specialized hypothalamic glial cells—actively transport tau from cerebrospinal fluid into the bloodstream . In Alzheimer disease, these cells become fragmented and dysfunctional, impairing tau clearance and potentially accelerating neurodegeneration.   This work...

Obesity is not simply excess weight—it is a metabolic and inflammatory state that can reshape cancer biology . Adipose tissue alters hormones, insulin signaling, inflammatory cytokines, and immune responses , creating conditions that favor tumor development. Evidence now links obesity with cancers of the breast, colon, endometrium, pancreas, liver, kidney, and esophagus . Understanding these mecha...

🧬 Apolipoprotein M (ApoM) is emerging as a key regulator of vascular biology.   ApoM, an HDL-associated lipocalin, transports sphingosine-1-phosphate (S1P) and selectively activates S1PR1 signaling in endothelial cells.   This pathway stabilizes the endothelial barrier, promotes nitric-oxide mediated vasodilation, and suppresses vascular inflammation.   Clinical studies increasingly link lower Ap...

📚 Simone de Beauvoir (1908–1986) — philosopher, writer, and architect of modern feminism.   Her groundbreaking book The Second Sex (1949) reshaped global conversations on gender with one powerful line: "One is not born, but becomes, a woman."   She challenged stereotypes, defended women's autonomy, and influenced second-wave feminism worldwide.   Her ideas still echo in medicine, education, ethic...

🫁 Pulmonary Embolism in 2026 — A Precision Framework The new AHA/ACC Acute Pulmonary Embolism Guideline redefines how we classify and treat PE. Key updates: • Category A–E clinical classification integrating hemodynamics, biomarkers, and RV imaging • Age-adjusted D-dimer and YEARS algorithm to reduce unnecessary imaging • CT pulmonary angiography as preferred diagnostic modality • RV/LV ratio rep...