DR. GUNDRY PODCAST: GUT HEALTH, WEIGHT LOSS, AND NUTRITION

Want to keep your brain sharp as you age? Start with what’s on your plate.

In this episode, I’m sharing 5 amazing foods your brain will love — and why adding them to your diet may help support memory, focus, and long-term brain health.

Some of these foods may already be in your kitchen, while others might surprise you. Either way, your brain will thank you.

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Big Pharma bet billions on one theory: clear the amyloid, cure Alzheimer's.

A new Cochrane review of 20,000+ patients just proved them wrong — these drugs don't work, and they may be putting your brain at risk. So what's really driving this epidemic?

My guest today, six-time New York Times bestselling author and board-certified neurologist Dr. David Perlmutter, says the answer lies in a set of cells most people have never even heard of — and he lays it all out in his new book, Brain Defenders.

The good news is, you already have more control over them than any drug could ever give you.

We're talking about microglia, the brain's immune cells, and why the choices you make today may matter more than anything a prescription pad can offer.

For full show notes and transcript: https://drgundry.com/david-perlmutter-alzheimers

On this episode, you’ll learn:  

• All about the new study that found leading Alzheimer's drugs deliver almost no benefit (02:09)
• Why the so-called enemy in your brain is not what we thought at all (07:34)
• What microglia are, and why these overlooked immune cells may be the real gatekeepers of your brain's health (05:15)
• How everyday metabolic issues like blood sugar and insulin resistance can affect your brain (09:30)
• Why one in nine Americans over 65 is already living with dementia (and most don’t know it) (14:08)
• The surprising connection between Parkinson's, depression, and even autism spectrum conditions (15:11)
• How THIS lifestyle program helped 70% of Alzheimer's patients stabilize or even improve their cognitive function — no drugs required (17:09)
• The one mindset shift Dr. Perlmutter says has to happen before any diet or exercise plan will actually work for your brain (22:17)
• Why getting quality sleep does more for your brain than you think (27:49)
• The simple blood test you should request NOW to gauge your Alzheimer's risk (33:25)
• Why women make up two-thirds of Alzheimer's patients (35:29)
• The critical window for starting hormone replacement therapy (40:08)
• The truth about antibacterial mouthwash, and why it might be quietly working against your brain health (58:14)
• A 25-year-old flossing study that predicted exactly what today's top neurology journals are just now confirming (01:00:05)
• Dr. Perlmutter's honest answer to whether you should take the newer Alzheimer's drugs your doctor may be recommending (01:05:31)

More about Dr. David Perlmutter:

Dr. David Perlmutter’s website

Dr. David Perlmutter’s Instagram

New book: Brain Defenders: Harness the Power of Your Immune Cells to Protect Your Brain for Life by Dr. David Perlmutter

Research:

Cochrane Review

Tanzi Study

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Water is essential for life—but could drinking more of it actually be working against you?

In this episode, I’m tackling one of the biggest hydration myths out there: that everyone needs eight glasses of water a day. I’ll explain why your individual water needs may be very different, how drinking too much water can throw off your electrolyte balance, and why overhydration may even affect how efficiently your heart works.

Plus, I’ll share the signs you may be overdoing it, what really counts toward your daily hydration, and a smarter way to think about water and electrolytes. Before you refill that giant water bottle again, you’ll want to hear this!

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I once had a patient tell me, "You don't know much about vitamin D, do you?" 

He had a point, not because I hadn't studied it, but because so much of what we're taught about vitamin D simply hasn't caught up to the research.

My patient’s question  led me down a path of research that changed how I treat every patient who walks through my door.

In this episode, I break down

• Why vitamin D isn't a vitamin at all but a hormone quietly running the show for your gut and immune system
• Why the "toxic" dose you've been warned about is a myth that's kept millions of people needlessly deficient
• Why this one hormone might be the closest thing we have to a longevity switch.

Plus, learn the exact number I push my own patients' levels to, and why your doctor's idea of "normal" is probably way too low.

For full show notes and transcript: drgundry.com/how-much-vitamin-d-should-i-take

On this episode, you’ll learn:  

• Why vitamin D isn't actually a vitamin (01:11)
• How nearly 80% of new patients turn out to be vitamin D deficient (you probably are too!) (01:31)
• What vitamin D has to do with the diversity of your gut microbiome (02:18)
• What a major university research group discovered about vitamin D at doses most people assume would be dangerous (09:04)
• A real patient story from this week, and the dose it took to finally get his vitamin D levels where they needed to be (11:33)
• The sweet spot dose of vitamin D that works for most people — and who might need to dial it back (12:46)
• Why doing THIS to your peppers might be the trick to enjoying them without the reaction (16:32)

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Think sardines are just an old-fashioned pantry staple? Think again.

In this episode, I'm breaking down why these tiny fish may be one of the most powerful foods you can add to your diet. Packed with omega-3s, high-quality protein, minerals, and nutrients that support everything from your brain to your heart and gut, sardines deliver remarkable health benefits in one small package.

I'll explain what makes sardines different from larger fish, why they're one of the safest seafood choices, how to choose the best canned varieties, and the biggest mistakes people make when buying them. Plus, I'll share my favorite ways to enjoy sardines—even if you've never been a fan.

If you're looking for a simple, affordable food that can have an outsized impact on your health and longevity, you won't want to miss this episode.

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Have you asked ChatGPT or Claude a health question before? 

AI is already changing how patients research symptoms, read labs, and make health decisions — and that could be one of the most empowering shifts in medicine, or a potential disaster. My guest today knows exactly where that line is.

Dr. Vivienne Ming is a theoretical neuroscientist who's spent 30years building AI to expand human potential, founding more than a dozen companies along the way. She has built one of the first AI systems ever designed to help manage a disease, and she shares it all in her new book, Robot-Proof: When Machines Have All the Answers, Build Better People.

On this episode, we get into where AI genuinely helps your health, where it quietly diminishes your own power of intellect and reason, and why the smartest "mind" in any room isn't a genius or a supercomputer. 

On this episode, you’ll learn:  

• Why doctors and AI make "complementary" errors—and how combining them beats either one alone (01:31)
• How outsourcing your thinking to AI over a lifetime could raise your risk of THESE health issues (06:54)
• A fascinating experiment that reveals how you can build richer, denser brain connections through this (10:03)
• Why your brain does a nightly cleanup during sleep (13:25)
• The "nemesis prompt" trick for using AI to challenge you instead of letting it do the thinking for you (15:24)
• What the "Jiffy Lube colonoscopy" problem is, and which doctors suffer from it the most (18:13)
• The hidden bias problem in medical AI—and why it may perform worse for underrepresented populations (27:42)
• The real reason AI hallucinations can never be fully eliminated, and what that means for how much you should trust it (30:00)
• A simple technique for using AI to build real understanding of any health condition (40:15)
• Practical guardrails for deciding how much to trust an AI answer before you bring it to your doctor (45:02)

For full show notes and transcript: https://drgundry.com/should-i-trust-ai-for-health-advice

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What if your grocery list could do more for your waistline than another hour on the treadmill?

The truth is, not all calories are created equal—and some foods may actually help your body become more efficient at burning fat while keeping hunger under control. In this episode, Dr. Gundry reveals the surprising foods that can support your metabolism, fuel your gut microbiome, and help your body tap into stored fat more effectively.

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Dr. Steven Gundry takes his scalpel to four of the most stubborn weight loss myths in modern nutrition—the ones that have you white-knuckling through miserable diets while the scale refuses to budge.

Questions answered in this episode:

• Does eating fat actually make you gain weight?
• Why doesn't counting calories work for weight loss?
• Can you lose weight with exercise alone?
• Is weight gain really about willpower and discipline?
• What role do gut bacteria play in weight loss?
• Why do most diets fail in the long run?
• How does gut health affect your metabolism and cravings?
• Is cottage cheese a weight loss food?

Tune in to learn why real, lasting weight loss is a "side effect" of ending the war in your gut—and why the number on the scale is your gut buddies' business, not your calorie counter's.

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Do your joints ache every time you get out of bed?

Here's what those cheerful drug commercials won't tell you: the medications treating your rheumatoid, psoriatic, and osteoarthritis are actually transplant drugs designed to suppress your immune system — and they're managing a symptom while ignoring the real cause.

In this episode, I explain why arthritis is not a normal part of aging, why your "wear and tear" joints have the same root cause as heart disease, and how 94% of my autoimmune patients get off their medications and become symptom-free within a year.

On this episode, you'll learn:

• Why the happy, dancing people in arthritis drug commercials couldn't be further from the truth (02:17)
• The real reason your immune system attacks your own joints — and it's not a "mistake" (03:04)
• How 50% of Dr. Gundry's patients had blood-test-proven rheumatoid arthritis with zero joint pain (04:27)
• The shocking reason a heart attack can be the very first sign of rheumatoid arthritis (04:44)
• What Dr. Google gets wrong about voice changes as an arthritis symptom (06:25)
• The one question Dr. Gundry asks patients that makes their eyebrows shoot up (09:36)
• Why a stent or bypass gives you a 50% chance of a joint replacement within five years (13:26)
• The exact blood tests to ask your doctor for — and the one panel most people skip (14:49)
• How a patient named Jerry canceled his knee replacement and skipped around the exam room (17:48)
• The truth about how much olive oil you actually need for its benefits (19:22)

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Were you just told you have osteopenia or osteoporosis?

Here's what your doctor may not have mentioned: they're the same disease, and the drugs commonly prescribed for it can actually make your bones more fragile, not stronger.

In this episode, I break down the real warning signs, expose the suspicious timing between DEXA scan technology and the drug industry that followed it, and share how my own wife reversed her osteoporosis without a single prescription.

For full show notes and transcript: https://drgundry.com//osteoporosis-osteopenia-symptoms

On this episode, you’ll learn:  

• Why osteopenia and osteoporosis are actually the exact same condition (01:12)
• Which warning signs could mean you have a hidden compression fracture you’re unaware of (02:57)
• What Google gets wrong about "uncommon" bone loss symptoms (05:12)
• Why your balance problems might have nothing to do with your bones — and everything to do with your spine (5:45)
• The reason a sudden change in posture could be a red flag your body is sending you (06:17)
• What osteoblasts and osteoclasts are actually doing inside your bones every single day (011:00)
• The disturbing reason dental surgeons refuse to do implants on patients taking popular bone drugs (13:05)
• How a leaky gut could be the true root cause of your bone loss, not aging (14:48)
• The surprising story of how my own wife reversed her osteoporosis by changing her diet, not by medication (15:03)

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