Heart Doc VIP with Dr. Joel Kahn

Dr. Joel Kahn
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May 12, 2026 • 28min

Episode 495: New Research On Aged Garlic Extract, NAD+, And Heart Health

This week, Joel Kahn, MD, dives into fascinating new research on aged garlic extract and its potential role in healthy aging, muscle function, and cardiovascular wellness. He reviews a recent study showing how aged garlic extract improved muscle and aging markers in mice while also activating the NAMPT pathway in humans, which may help boost NAD+ production. Dr. Kahn also breaks down several newer studies highlighting the cardiovascular benefits of aged garlic extract, a supplement he's used at the Kahn Center for more than a decade. He discusses the specific Kyolic formula available here: Kyolic Aged Garlic Extract Additional topics include dietary nitrates from greens and nitric oxide production, the Mediterranean diet and longevity, high-intensity interval training and heart health, visual acuity and lifespan, plant-based diets and breast cancer outcomes, and the connection between poor sleep and survival rates. This episode is brought to you by VINIA and their line of heart-supporting products.
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8 snips
May 5, 2026 • 29min

Episode 494: The Amazing Properties of Glycine and Good Sleep

Discussion of glycine as a dietary compound and its potential to improve sleep when taken before bed. Coverage of sleep shortfalls in the U.S. and demographic disparities. Exploration of glycine’s broader roles in collagen, creatine, blood sugar, liver protection, and combined GlyNAC effects. Brief dives into TMAO, Lipoprotein(a) risk, yoga’s cardiometabolic benefits, and coffee polyphenols.
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13 snips
Apr 28, 2026 • 21min

Episode 493: The Top 3 Dietary Predictors of Cardiac Death Worldwide

A deep dive into which dietary factors drive heart deaths worldwide, highlighting high salt and low fruit and whole grain intake. Discussions touch on stent outcomes for blocked arteries and surprising links between daytime napping and mortality. Other topics include plastic-free diets reducing microplastics, calcium supplements and cardiac risk, and fish oil purity concerns.
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4 snips
Apr 21, 2026 • 29min

Episode 492: Does the Shingles Vaccine Reduce Heart and Brain Disease?

A dive into whether shingles vaccination links to fewer heart attacks and lower dementia rates. A look at differences between vaccine formulations and limits of current studies. Discussion of nutrition controversies and surprising takes on seed oils. Coverage of B vitamins tied to stroke risk and the real-world impact of new amyloid drugs.
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15 snips
Apr 14, 2026 • 23min

Episode 491: Heart Disease in Masters Athletes: What to Do?

Highly active athletes over 35 can still harbor hidden heart problems like arrhythmias, coronary artery disease, and aortic dilation. Advanced screening methods such as EKGs, coronary calcium scans, and carotid imaging are discussed. New studies show standard risk calculators miss many heart attacks. Other topics include plant-based diets, sleep patterns, and how certain fruits may boost vascular health.
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Apr 7, 2026 • 26min

Episode 490: My Surgical Journey 2 Weeks Later

A candid surgical recovery update covering robotic mitral valve repair, diagnostic testing that led to surgery, and choosing a robotic approach at Cleveland Clinic. He describes operative details and immediate ICU recovery. He also talks about hospital stay quirks, early rehab milestones, and the supplements and therapies he used to aid healing.
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Apr 3, 2026 • 28min

Episode 489: Big Heart Health News You'll Want To Know About

Fast updates from a major cardiology meeting on trials that could reduce strokes, heart attacks and deaths. Discussions include plant-based diets and cancer risk, rising heart risk in police officers, statins linked to lower dementia risk, concerns about erythritol and brain vessels, and new LDL and diabetes drug data that change prevention strategies.
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Mar 31, 2026 • 29min

Bonus Episode: Why a CIMT Ultrasound Is a Must-Have Examination with Joseph Ence

Joseph Ence, founder of VasaLabs and vascular ultrasound expert, explains CIMT carotid ultrasound and its role in measuring vascular age. They discuss plaque types, why targeted CIMT differs from routine community screens, how often to repeat scans, and tools that make imaging accessible. Conversation covers how visual results motivate patients and options to monitor or improve artery health.
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16 snips
Mar 24, 2026 • 32min

Episode 487: The Role of Diet, Blood Pressure, and Hormones in Dementia

Discussion of new research linking high blood pressure and early menopause to dementia risk. Debate over red meat, saturated fat, and APOE4 in nutrition studies. Links between skipping breakfast, ultraprocessed foods, and metabolic or cardiovascular harm. Coverage of coronary calcium scoring, tooth loss and atherosclerosis, and how TMAO may speed clotting.
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16 snips
Mar 17, 2026 • 35min

Episode 486: Top 10 Takeaways of New Cholesterol Guidelines 2026

They break down the top 10 highlights from the new 2026 cholesterol guidelines, including earlier screening and updated LDL and ApoB targets. Research updates cover cold exposure linked to aortic dissection and coronary disease after a normal CT angiogram. Other topics include olive oil and brain health, red light therapy and heart rate variability, plant-based diets lowering TMAO, and a trial favoring apixaban over rivaroxaban for bleeding risk.

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