Dr. Joseph Mercola - Take Control of Your Health - podcast cover

Dr. Joseph Mercola - Take Control of Your Health

Dr. Mercolawww.mercola.com
Listen to Dr. Mercola's Weekly Podcast, as the legendary natural health pioneer continues to lead you on your journey towards optimal health.
Last refreshed:
Download Metacast podcast app
Podcasts are better in Metacast mobile app
Don't just listen to podcasts. Learn from them with transcripts, summaries, and chapters for every episode. Skim, search, and bookmark insights. Learn more

Episodes

Butyrate — The Metabolic Powerhouse Fueling the Gut and Beyond

Avoidant restrictive food intake disorder (ARFID) is an eating disorder where people severely restrict food due to fear, sensory sensitivities, or low interest — not body image concerns — causing significant health and social problems Unlike normal picky eating, ARFID involves intense distress, extremely narrow food choices, nutritional deficiencies, weight loss, and serious disruption to daily life and social activities Prevalence ranges from 0.35% to 6.4% depending on region, primarily affecti...

Dec 23, 20258 min

Your Gut Bacteria Is Under Attack by Pesticides and Everyday Chemical Pollutants

Researchers have identified 168 everyday chemicals, including pesticides, flame retardants, and plastic additives, that are toxic to beneficial gut bacteria and may disrupt essential body functions Certain banned or restricted substances, like hexachlorophene and DDT, were also shown to damage gut microbes and promote inflammation and metabolic dysfunction Pesticides such as glyphosate, chlorpyrifos, and atrazine alter gut microbial balance and reduce protective species, allowing harmful bacteri...

Dec 23, 20258 min

Beyond Bioavailability — What Research Shows About Flavanols' Effectiveness

Flavanols are plant compounds in cocoa, berries, and tea with low bioavailability, meaning only a small portion enters the bloodstream A new animal study found that oral flavanol doses of 25 to 50 milligrams per kilogram (mg/kg) activated the subjects' brains within minutes Flavanols are a type of flavonoid within the polyphenol family. This hierarchy clarifies their differences and explains why foods have unique combinations that offer specific health benefits If you choose cocoa flavanol suppl...

Dec 22, 20258 min

Butyrate — The Metabolic Powerhouse Fueling the Gut and Beyond

Butyrate, a short-chain fatty acid produced by gut bacteria that ferment dietary fiber, helps improve metabolic health by enhancing insulin function, regulating glucose levels and supporting healthy body composition Unlike most cells that use glucose, colonocytes (the epithelial cells that line your colon) prefer butyrate for energy, converting 70% to 80% through beta-oxidation to maintain gut barrier health Promoting butyrate production through fiber intake is beneficial, but only if your gut i...

Dec 22, 20258 min

A Breakthrough in Understanding Long COVID

People with long COVID experience persistent fatigue, breathlessness, and brain fog. Research links these effects to fibrin microclots intertwined with neutrophil extracellular traps that obstruct microvessels and impair oxygen delivery SARS-CoV-2 pushes blood into a hypercoagulable state, damaging endothelium, activating platelets, and inflammatory cytokines. This causes clot risk to persist for months, even after mild infections and hospital discharge Long COVID essentially boils down to mitoc...

Dec 20, 20258 min

Taking Melatonin Does Not Increase Your Risk of Heart Failure

A preliminary American Heart Association (AHA) study linked long-term melatonin use to increased heart failure risk, but a closer analysis shows serious flaws, including lack of peer review and failure to account for confounding variables The study found melatonin users had 90% higher heart failure rates, but data mixed together prescription-only countries with over-the-counter markets, misclassifying many actual users as non-users Moreover, the study failed to account for insomnia severity, psy...

Dec 20, 20258 min

Bedroom Ventilation for Better Sleep — What the Latest Research Shows

A recent study reveals that bedroom ventilation plays an essential role in sleep quality. Carbon dioxide (CO₂) levels need to remain below 1,000 ppm, ideally under 800 ppm, for deeper, uninterrupted sleep Opening windows can help with airflow, but it's not always ideal due to outdoor pollutants, noise, or security risks. In such cases, a ventilation system is a safer and more reliable option Air purifiers filter indoor air but do not introduce fresh air. To maintain optimal air quality, pair fil...

Dec 20, 20257 min

This Simple Mind-Body Practice Cuts Menopausal Hot Flashes in Half

Hot flashes occur when the hypothalamus becomes hypersensitive during menopause, triggering rapid blood vessel dilation and sweating. These vasomotor symptoms affect 80% of women and often persist for years A recent randomized clinical trial found that a six-week self-hypnosis program reduced menopausal hot flash frequency and severity by about 53%, with sustained improvements at 12 weeks About 90% of women using self-hypnosis reported noticeable relief, and those who practiced most consistently...

Dec 18, 20259 min

Severe Diverticulitis Is Rising Rapidly Among Younger Adults

Diverticulitis, once considered a disease of aging, is now surging among adults under 50, with younger patients facing more severe and complicated cases than ever before Researchers from UCLA and Vanderbilt University found that early-onset diverticulitis hospitalizations rose sharply from 2005 to 2020, while procedures like abscess drainage more than doubled Younger adults have an 82% lower risk of death compared to older patients, but far higher odds of requiring invasive interventions — proof...

Dec 18, 20258 min

Why Is Migraine More Common in Women Than Men?

Migraines affect women three to four times more often than men, largely due to hormonal fluctuations that sensitize the brain's pain pathways and increase vulnerability to stress, poor sleep, and inflammation Estrogen both primes and triggers migraine attacks — high levels heighten sensitivity, while sudden drops before menstruation or after childbirth cause the electrical instability that sparks pain Natural progesterone helps counteract estrogen's pro-inflammatory effects, calming nerve excita...

Dec 18, 20258 min

First Recorded Fatality from Tick-Driven 'Red Meat Allergy' Reported in New Jersey

A healthy 47-year-old man from New Jersey suddenly died after delayed allergic reactions to red meat; it was later confirmed to be caused by alpha-gal syndrome (AGS), marking the first documented fatality linked to tick-driven mammalian meat allergy His symptoms began hours after eating beef following a recent camping trip, during which he sustained 12 to 13 suspected lone star tick bites — exposure to this tick is now known to trigger the immune sensitization that leads to AGS AGS occurs when t...

Dec 17, 20258 min

PFAS in Drinking Water Is a Bigger Problem Than You Think

Per- and polyfluoroalkyl substances (PFAS) are a large class of synthetic compounds built around extremely strong carbon-fluorine bonds. They're used to make products nonstick, waterproof, and stain-resistant A California biomonitoring study of 563 adults found that even low, detectable PFAS levels in public water systems were linked to 30% to 80% higher PFAS in blood PFAS aren't just in water — testing has found very high PFAS markers in soft contact lenses, wild freshwater fish, and some activ...

Dec 17, 20258 min

This Unknown Deadly Health Syndrome Affects Nearly 90% of US Adults — Could You Have It?

Nearly 90% of U.S. adults have at least one risk factor for cardiovascular-kidney-metabolic (CKM) syndrome, a newly named but long-standing health crisis that links heart, kidney, and metabolic dysfunction The American Heart Association warns that CKM often goes unnoticed until a major event like a heart attack occurs, yet most cases are reversible if identified early and addressed at the metabolic level Critics in PLOS Medicine argue that CKM is less a medical breakthrough and more a rebranding...

Dec 17, 20258 min

Circadian System Disruptions in Sleep Apnea Increase the Risk of Nighttime Cardiac Events

New research shows that people with untreated sleep apnea experience a sharp nighttime drop in blood vessel function driven by the circadian system, increasing vulnerability to heart attacks and other cardiac events In a tightly controlled sleep-lab study, participants' arteries showed their worst ability to dilate around 3:00 a.m., revealing an 82% decline in vascular function during the biological night This impairment persisted even after adjusting for blood flow, sleep quality, and apnea sev...

Dec 16, 20253 min

Gum Disease and Cavities Strongly Linked to Higher Stroke Risk

People with both gum disease and cavities have nearly double the risk of suffering an ischemic stroke compared to those with healthy teeth and gums Chronic oral inflammation allows harmful bacteria and toxins to enter your bloodstream, damaging arteries and increasing blood clot formation that blocks blood flow to your brain MRI brain scans show that gum disease alone causes silent brain injuries known as white matter lesions, which are early signs of stroke and cognitive decline Regular cleanin...

Dec 16, 20258 min

Inulin-Rich Vegetables Help Protect Your Liver from Fructose Damage

Fatty liver disease now affects nearly four in 10 adults, but research shows that eating inulin-rich vegetables like onions, garlic, and leeks helps your gut bacteria "consume" harmful sugars before they can damage your liver Scientists at UC Irvine discovered that inulin "trains" your gut microbes to block sugar overload, lower liver fat, improve insulin sensitivity, and boost antioxidant defenses that protect your cells from inflammation Inulin's benefits begin in the small intestine, where mi...

Dec 16, 20258 min

Limiting Sugar Early in Life Builds Stronger Hearts and Healthier Futures

Babies exposed to less sugar during pregnancy and early childhood have dramatically lower risks of heart disease, stroke, and diabetes later in life, showing that the first 1,000 days shape lifelong cardiovascular health A large BMJ study found that those born under postwar sugar rationing had up to 31% lower risk of stroke and 27% lower risk of dying from heart disease, with the strongest benefits seen when sugar restriction lasted through infancy Early sugar restriction helps prevent fetal hyp...

Dec 15, 20258 min

Butyrate's Impact on Your Immune System

Butyrate, a short-chain fatty acid produced when gut bacteria ferment dietary fiber, serves as both an energy source for colon cells and an important signaling molecule for immune regulation By inhibiting histone deacetylases (HDAC) and suppressing the NF-κB pathway, butyrate acts as a powerful anti-inflammatory agent, helping prevent chronic inflammation that contributes to various diseases Butyrate promotes regulatory T cell development while modulating other immune cells, helping maintain imm...

Dec 15, 20258 min

Greener Cities Linked to Better Mental Health Outcomes

Living in greener neighborhoods is linked to significantly fewer hospitalizations for mental illness, including depression, anxiety, psychosis, and dementia A global analysis of 11.4 million cases found that just a small increase in vegetation density reduced mental health hospital admissions by 7% Urban residents experienced the strongest benefits — cities with more parks and tree-lined streets saw 13% fewer psychiatric hospitalizations Researchers discovered that the ideal balance for mental w...

Dec 13, 20258 min

Gluten Sensitivity Often Has Little to Do with Gluten Itself

Research from The Lancet found that only about 16% to 30% of self-identified gluten-sensitive individuals experience symptoms triggered by gluten alone Many people who believe they're gluten sensitive are actually reacting to fermentable carbohydrates (FODMAPs) or gut-brain hypersensitivity, not gluten itself Natural FODMAPs from whole foods like fruit and grass fed dairy help feed beneficial gut bacteria such as Akkermansia muciniphila, which strengthens your gut lining and supports immunity El...

Dec 13, 20257 min

Stress Alters Metabolic Hormone with Health Consequences, Study Shows

Research from Columbia University shows that psychological stress changes a key metabolic hormone, linking emotional strain directly to energy production and overall health People with healthy mitochondria experience a drop in this hormone under stress, while those with mitochondrial dysfunction show an increase — demonstrating how cellular energy capacity shapes stress resilience Chronic stress overstimulates classic stress hormones like cortisol and adrenaline, disrupting blood sugar control, ...

Dec 13, 20258 min

Why Have Vaccines Become a Religion

As more people awaken to the dangers of vaccines, they discover a persistent problem vaccine safety advocates have faced for decades: talking to vaccine zealots is like speaking to a brick wall. Regardless of the evidence presented, you cannot reach them — sometimes it feels like speaking to religious fanatics unwilling to consider the "blasphemy you're spewing forth" This is deliberate, as vaccines have been enshrined as the holy water which baptizes you into the faith of Western medicine and b...

Dec 12, 20257 min

Concussion Raises Risk of Future Car Crash

Having even one concussion raises your long-term crash risk by 49%, which means you would be wise to give yourself more recovery time before driving to protect both your safety and your independence The first month after a concussion is the most dangerous, with risk jumping more than sixfold, so adjusting your driving habits during this period helps lower your chance of a serious accident Each additional concussion sharply increases your risk, with two concussions more than doubling it and three...

Dec 11, 20258 min

Early Menopause and Weak Heart Function May Accelerate Brain Changes

Menopause, which typically occurs between age 44 and 55, marks the natural end of menstruation and fertility, and is confirmed after 12 consecutive months without menstruation A 2025 study presented at The Menopause Society Annual Meeting found that women who experienced earlier menopause and had weaker heart function showed more signs of brain aging Cardiovascular disease is the leading cause of death in women, and Alzheimer's affects women nearly twice as often as men Falling estrogen and prog...

Dec 11, 20258 min

Treating Restless Legs Slashes Risk of Parkinson's Disease

Restless leg syndrome (RLS) isn't just a sleep problem — it's a neurological signal that your brain's dopamine and iron systems are under stress, and addressing it early helps protect long-term brain health A JAMA Network Open study found that people with RLS were significantly more likely to develop Parkinson's disease than those without it RLS patients who received treatment had four times fewer Parkinson's diagnoses than untreated individuals, suggesting that managing RLS symptoms supports ne...

Dec 11, 20257 min

How Front-of-Package Claims Mislead Shoppers, and What to Read Instead

A new PRiMER study that analyzed nearly 600 packaged foods found that front-of-package (FOP) health claims like "high in fiber" or "heart healthy" often fail to match the product's nutritional quality Ultraprocessed foods were the biggest offenders, displaying the most "health" labels while remaining high in sugar, sodium, and refined fats Marketing phrases such as "keto," "gluten-free," or "organic" can make a product sound healthy when it isn't When checking a Nutrition Facts label, begin with...

Dec 10, 20257 min

Common Medications Can Disrupt Your Gut Health for Years

Researchers from the University of Tartu found that nearly 90% of 186 common medications affected gut composition, and almost half left long-lasting microbial changes that persisted years after use ended Antibiotics caused the strongest and most persistent gut disruption, with measurable microbial shifts still evident six months after use and cumulative effects worsening with each additional treatment course Non-antibiotic drugs like benzodiazepines, beta-blockers, glucocorticoids, and proton pu...

Dec 10, 20258 min

Study Debunks a Big Myth for Eczema and Bathing

A University of Nottingham study with 438 participants found that daily and weekly bathing were equally effective in managing eczema symptoms, quality of life, and treatment needs over four weeks The research reveals bathing frequency matters less than post-bath skincare. Both groups improved similarly when following up with moisturizers, giving patients flexibility to choose routines that suit their lifestyles without worsening symptoms Weekly bathers used topical steroid creams slightly less f...

Dec 10, 20256 min

Hip Fractures from Osteoporosis Predicted to Double by 2050

Osteoporosis affects one in three women and one in five men over 50 globally, with hip fracture rates projected to double by 2050 due to aging populations and inadequate treatment Fewer than half of hip fracture patients worldwide receive osteoporosis treatment, despite evidence that coordinated fracture liaison services effectively prevent secondary fractures and reduce mortality rates Calcium and vitamin D3 work synergistically for bone strength, but many people struggle to convert vitamin D3 ...

Dec 09, 20258 min

Study: Dramatic Increase in Percentage of US Adults Who Meet New Definition of Obesity

Nearly 70% of U.S. adults now qualify as obese under a new definition that goes beyond body mass index (BMI) to include waist and hip measurements, exposing millions with hidden fat linked to higher disease risk The new standard, developed by an international panel and endorsed by dozens of medical organizations, identifies both clinical obesity — where fat is already harming organs — and preclinical obesity, where fat-driven dysfunction is just beginning Using the expanded criteria, researchers...

Dec 09, 20258 min
Hosted on Libsyn
For the best experience, listen in Metacast app for iOS or Android