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PODCAST

What the Study Says

What the Study Says is a podcast that breaks down complex medical studies into clear, practical insights. We explain the science behind the headlines, cut through the jargon, and help you understand what the research really means for your health and everyday decisions. Whether you"re health-curious or research-skeptical, this show makes evidence-based medicine easy (and even fun) to follow. It"s the health podcast everyone should be listening to. ------------------------------------------------

health & fitness medicine

All Episodes

5:31

He Tracked His Fingernail for 35 Years｜2025 Ig Nobel...

What the Study Says ·

2026/03/07

Did you know a single fingernail can reveal the hidden timeline of your body's aging process? In this episode of What The Study Says, we dive into the fascinating self-experiment that captured the 2025 Ig Nobel Prize in Literature. Dr. William B. Bean dedicated 35 years to tracking his own nail growth with astonishing precision, a feat of dedication that perfectly embodies the spirit of the Ig Nobel Prize—first making you laugh, then making you think. By documenting his cellular senescence, he

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23:58

Bruce Campbell Cancer Diagnosis: Treatable But Not...

What the Study Says ·

2026/03/06

‘Evil Dead’ actor Bruce Campbell recently revealed a cancer diagnosis that he described as "treatable, not curable," sparking a global conversation about what this means for patients in 2026. In this deep dive, we explore how modern medicine is shifting the narrative from complete eradication to long-term chronic cancer management. We break down the four main categories of cancer that are treatable but not curable, including chronic leukemias, indolent lymphomas, multiple myeloma, and metastatic

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18:25

EVO ICL: The "Permanent" Contact Lens You Can...

What the Study Says ·

2026/03/05

Are you tired of dry contacts and fogging glasses but absolutely terrified of permanent laser eye surgery? Discover the revolutionary EVO ICL (Implantable Collamer Lens) procedure, the reversible eye surgery that might just dethrone LASIK and SMILE as the new standard of care. In this deep dive into recent ophthalmology data, we compare EVO ICL vs SMILE, unpack the science behind the KS AquaPORT, and address your biggest fears like endothelial cell loss and vault size complications. Whether you have

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18:59

Type 1 Diabetes is Changing: Why It’s Not Just...

What the Study Says ·

2026/03/04

Are you still calling it "juvenile diabetes"? You might be making a dangerous medical assumption! The groundbreaking 2026 JAMA Review reveals a startling demographic shift: the median age for a Type 1 Diabetes diagnosis in the US is now 24 years old. In this deep dive, Dr. Kai and Dr. Mai unpack the hidden symptoms of Type 1 diabetes, explaining why so many adults are misdiagnosed with Type 2 when they actually have LADA. We explore the critical role of the C-peptide test, break down the 3 stages of

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16:31

Caffeinated vs. Decaffeinated Coffee: Which Lowers...

What the Study Says ·

2026/03/03

Could your choice between caffeinated vs. decaffeinated coffee determine your future brain health? A groundbreaking 2026 study published in JAMA has uncovered a critical link between daily habits and dementia prevention, analyzing data from over 130,000 participants. In this video, we dissect the stark differences in neuroprotection offered by caffeinated vs. decaffeinated coffee, revealing why the caffeine molecule itself—and not just the bean—is the key driver in lowering dementia risk. We explore

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14:50

Yes gentlemen, size DOES matter

What the Study Says ·

2026/02/09

It’s the question that has haunted men for generations: does penis size truly matter, or is it all in your head? We are ditching the bro-science to dissect a landmark PNAS study involving 105 women, 3D models, and gaze analysis to reveal exactly how much penis size drives female attraction. While the results confirm that penis size is a significant factor, the data unveils a shocking truth: the shoulder-to-hip ratio accounts for nearly 80% of the attractiveness score, largely overshadowing the

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12:23

How to Reach Zero Traffic Deaths in the US (NEJM...

What the Study Says ·

2026/01/31

Did you know that traffic fatalities are currently the leading cause of death for Americans aged 5 to 29? In this deep dive, we break down a groundbreaking 2025 New England Journal of Medicine (NEJM) review that outlines the "Safe System Approach" —a radical shift from blaming drivers to designing safer infrastructure. We analyze shocking statistics on racial disparities in pedestrian deaths , the rise of polydrug impairment , and why young male drivers are at such high risk. From the effectiveness

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16:40

NEW Food Pyramid For Americans (2025–2030)

What the Study Says ·

2026/01/24

Are the new 2025 Dietary Guidelines essentially an apology for 40 years of bad advice? In this deep dive, Dr. Kai and Dr. Mai unpack the government's shocking pivot away from the old low-fat dogma and toward a high-protein, whole-food approach. We analyze the "demolition" of the Food Pyramid, the aggressive new stance against Ultra-Processed Foods (UPFs), and the surprising validation of full-fat dairy and red meat. With over 50% of adults now pre-diabetic or diabetic, this report declares a

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14:30

Hair Loss in Women

What the Study Says ·

2026/01/17

Are you noticing widening parts or thinning hair and wondering if it’s just stress or something more permanent? In this deep dive, we break down the definitive 2025 clinical practice guidelines on Female Pattern Hair Loss (FPHL) from the New England Journal of Medicine. We explore why the old term "androgenetic alopecia" might be misleading for most women and reveal the surprising role of the "Kenogen" phase in stalling hair growth. From comparing topical Minoxidil to the game-changing low-dose oral

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6:16

Medical Cannabis Review 2025: JAMA Study Reveals...

What the Study Says ·

2026/01/10

Are you considering medical cannabis for chronic pain, anxiety, or insomnia, or just curious if the science matches the dispensary hype? A groundbreaking 2025 review from JAMA has just been released, and the findings expose a massive gap between popular belief and medical reality. In this deep dive, we break down exactly what conditions FDA-approved cannabinoids are actually effective for, versus the risks associated with high-potency THC products found in today's markets. We explore the startling

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6:33

The Truth About Fever After Surgery: It’s Not a...

What the Study Says ·

2026/01/03

Have you ever been told that a fever after surgery is caused by a collapsed lung? For decades, medical textbooks and the "5 Ws" mnemonic have taught that atelectasis is the number one cause of early post-operative fever, but the actual science tells a completely different story. In this episode, we dive deep into the research to debunk this widespread medical myth, tracing it back to a flawed 1963 study on dogs and revealing what modern immunology calls the Danger Model. We explain why the incentive

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6:43

How Sweeteners Affect Weight Loss & Gut Health (2025...

What the Study Says ·

2025/12/27

Are artificial sweeteners secretly wrecking your diet, or are they the weight loss tool you’ve been waiting for? For years, we’ve been caught in a confusing battle between health warnings from organizations like the WHO and the ubiquity of diet products in grocery stores. But the debate might finally be over. A massive new 2025 study published in the prestigious journal Nature Metabolism —known as the SWEET study —provides definitive answers regarding sweeteners and sweetness enhancers (S&SEs)

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8:11

Knee Pain Relief: Why Exercise Beats Surgery for Most...

What the Study Says ·

2025/12/20

Have you ever winced climbing stairs or heard a terrifying click in your joint? You are not alone—knee pain accounts for a massive 5% of all doctor visits, but the solution might not be what you think. In this video, we break down a groundbreaking JAMA review that challenges everything we know about osteoarthritis, patellofemoral pain, and meniscal tears. We reveal why knee surgery is often no better than a placebo for common conditions and explain why an MRI showing a tear might be misleading

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5:25

Soda and Depression: The 2025 Study That Changes...

What the Study Says ·

2025/12/13

Have you ever wondered if that satisfying fizz of a cold soda is doing more than just adding calories to your day? A groundbreaking 2025 study from JAMA Psychiatry has uncovered a startling connection between soft drink consumption and major depressive disorder, specifically highlighting a powerful link hidden deep within your gut microbiome. By analyzing the gut-brain axis, researchers identified a specific bacteria called Eggerthella that thrives on liquid sugar, acting like a weed in your

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6:12

Regrow Your Teeth: The Gene That Stops Implants Forever?

What the Study Says ·

2025/12/06

Imagine a world where losing a tooth isn't permanent, and the solution isn't a painful implant or uncomfortable dentures. A groundbreaking new study published in Science Advances has identified a "brake pedal" gene called USAG-1 that stops our bodies from growing new teeth, and researchers have successfully used a targeted antibody to release this brake in mammals. By deactivating USAG-1, scientists were able to stimulate the growth of a "third dentition"—a completely natural, fully formed tooth—in

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4:11

Is Obesity Contagious? What the Framingham Heart...

What the Study Says ·

2025/11/29

Can you actually catch obesity from your friends? The answer from a massive 32-year analysis might shock you. In this episode of What The Study Says, Dr. Kai and Dr. Mai dive deep into the groundbreaking Framingham Heart Study to explore if obesity is contagious in a social sense. We analyze how social networks impact weight gain, finding that having an obese friend increases your risk by a staggering 57%. Beyond just diet and exercise, we discuss the difference between homophily and induction,

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10:16

Does Oral Hyaluronic Acid Actually Fix Skin Wrinkles...

What the Study Says ·

2025/11/22

Stop wasting money on $80 jars of hyaluronic acid until you see this. We've all been told oral HA is the miracle molecule for plump skin and healthy joints, but can swallowing a giant molecule really fix wrinkles and osteoarthritis? In this deep dive, "What the Study Says" breaks down the hard science. We compare oral HA supplements vs. injections, uncover the surprising gut-joint connection, and reveal the clinical trial data on how fast oral hyaluronic acid works for skin hydration, wrinkles, and

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15:22

Should You Take Fish Oil Supplement?

What the Study Says ·

2025/11/15

Are you sure that fish oil supplement in your cabinet is actually helping you? Doctors reveal the truth about fish oil, and it's not what you think. We dive deep into the science of Omega-3s, exposing the critical difference between EPA and DHA for heart health and managing high triglycerides. Learn why your over-the-counter Omega-3 might be useless, or even dangerous, and discover the real risks of fish oil, like Atrial Fibrillation (AFib), that supplement companies don't talk about. We also cover

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4:42

NEW Hair Growth Strategy Discovered

What the Study Says ·

2025/11/08

Is this finally the cure for baldness? A new study in the journal Cell Metabolism has found a "simple rub-on serum" that restores hair in mice, and the mechanism is fascinating. In this video, we dive deep into the science behind this new hair growth discovery. We unpack the full study, "Adipocyte lipolysis activates epithelial stem cells for hair regeneration," to explain how fatty acid metabolic signaling from fat cells (adipocytes) can "wake up" dormant hair follicle stem cells. We'll discuss

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15:37

Is COVID Brain Fog Real?

What the Study Says ·

2025/11/05

Are you struggling with post-COVID brain fog? You are not alone, and it's not "just in your head." New scientific evidence provides the objective proof that long COVID can cause real, measurable cognitive impairment. In this deep dive, we explore the shocking studies, including human challenge trials, that link SARS-CoV-2 to cognitive decline equivalent to 20 years of aging. We uncover the physical proof of brain injury, including markers like NFL and GFAP, and discuss the structural brain damage

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93 results

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