
Dr. Joseph Mercola - Take Control of Your Health
Listen to Dr. Mercola’s Weekly Podcast, as the legendary natural health pioneer continues to lead you on your journey towards optimal health.
Latest episodes

Mar 20, 2025 • 11min
Forget Me Not: How Probiotics May Reverse Alzheimer's
Story at-a-glance Probiotics may influence brain function through the gut-brain axis, offering benefits for neurodegenerative diseases like Alzheimer’s and Parkinson’s by improving gut health and reducing inflammation Studies suggest a link between gut health and cognitive function, indicating that an improved gut microbiome enhances mental health and may reduce inflammation associated with neurodegeneration Research indicates that probiotics could play a role in managing Alzheimer’s and Parkinson’s, offering a noninvasive treatment option that helps slow or reverse cognitive decline Biologically, the action of probiotics involves several interconnected pathways. By restoring a healthy balance of gut bacteria, probiotics reduce the production of harmful substances like lipopolysaccharides (LPS) that trigger inflammation in the brain Further studies are needed to confirm the long-term benefits of probiotics in neurodegenerative disease management, emphasizing the importance of continued research in this area

Mar 19, 2025 • 13min
Mitochondrial Dysfunction: The Root Cause of Aging and Disease?
Story at-a-glance Suppression of mitochondrial ATP production prevents apoptosis and activates the NLRP3 inflammasome, a key player in inflammation and disease Inhibitors of oxidative phosphorylation (OXPHOS) lead to changes in mitochondrial cristae structure and retention of cytochrome c, which is necessary for NLRP3 activation but not sufficient on its own Activation of the NLRP3 inflammasome requires two signals, one of which is mitochondrial, highlighting the complexity of its regulation Diverse NLRP3 activators share the ability to suppress apoptosis, allowing damaged cells to survive and contributing to chronic inflammation and cancer Mitochondrial dysfunction is closely linked to inflammation and various diseases, emphasizing the importance of understanding these mechanisms for optimal health

Mar 19, 2025 • 10min
Prostate Problems? It Might Be Your Metabolism!
Story at-a-glance BPH is not just a part of aging — While prostate enlargement becomes more common with age, research shows that metabolic dysfunction is also a key driver of disease progression Inflammation fuels prostate growth — Men with BPH have higher levels of inflammatory lipids that promote tissue remodeling and chronic inflammation Metabolic dysfunction worsens BPH severity — Research shows that men with both BPH and metabolic syndrome experience faster disease progression and greater symptom severity Omega-6 fats are a hidden culprit — Excess linoleic acid, the primary omega-6 fat in vegetable oils, fuels chronic inflammation and disrupts hormone balance. Studies suggest that a diet high in omega-6 fats drives prostate enlargement Targeting metabolic health helps slow or reverse BPH — Optimizing metabolic health by addressing polyunsaturated fat intake, hormonal imbalances and chronic inflammation is a more effective strategy than conventional symptom management

Mar 19, 2025 • 11min
The Flower That Fights Disease: Gardenia's Hidden Power
Story at-a-glance Genipin, derived from gardenia plants, restores nerve development, and reduces neurodegeneration in patients with familial dysautonomia, a rare genetic disorder that affects the peripheral nervous system Originally discovered as a blue dye source in the 1980s, genipin has evolved from a food science application to a therapeutic compound with several medical applications Genipin works by interacting with the extracellular matrix and reorganizing cellular structure, promoting nerve repair and axon regeneration in both the peripheral and central nervous systems Studies show genipin protects against diabetic retinopathy by controlling advanced glycation end products (AGEs) and reducing oxidative stress, which helps prevent vision loss in diabetic patients In neuroblastoma research, genipin demonstrates significant anticancer properties by triggering cell death and effectively suppressing tumor growth without toxic side effects

Mar 18, 2025 • 12min
The Fall of Bread: From Staple to Stomach Ache
Story at-a-glance Our ancestors consumed large quantities of bread (up to 16 pounds weekly for men and 8 pounds for women in the 1880s) without widespread digestive issues seen today. Pre-harvest desiccation with glyphosate (increased 400% in two decades) leaves residues in wheat products that may disrupt gut microbiome and contribute to digestive disorders Modern wheat varieties have been selectively bred for higher yields and industrial processing compatibility rather than nutritional value or digestibility. The shift from slow fermentation methods to quick-rise commercial yeast has also eliminated the microbial diversity and protein breakdown that made traditional bread nutritious and easier to digest "Enriched flour" contains synthetic nutrients and iron shards (ferrous sulfate) that can contribute to oxidative stress and may not provide the intended health benefits Traditional sourdough fermentation breaks down gluten proteins (particularly gliadin) by more than 50% over 24 hours, making bread more digestible for many people with sensitivities Most commercial bread contains hidden additives like inflammatory seed oils and harmful chemicals like potassium bromate (banned in many countries but not the U.S.)

Mar 18, 2025 • 11min
Beyond Fresh Breath: How Flossing Can Save Your Life
Story at-a-glance Oral diseases now affect 3.5 billion people worldwide, making them the most widespread health conditions, yet many overlook their link to serious diseases Poor oral hygiene contributes to chronic inflammation, increasing the risk of stroke and atrial fibrillation, but simple habits like flossing significantly reduce these risks A study presented at the American Stroke Association’s International Conference found that flossing at least once a week lowers the risk of ischemic stroke by 22% and heart-related strokes by 44% Flossing also reduces the likelihood of atrial fibrillation by 12%, helping prevent blood clots that lead to heart failure and other cardiovascular complications Regular flossing lowers systemic inflammation, reducing cardiovascular mortality risk by 36%, with each additional day of flossing per week decreasing the risk of dying from heart disease by 6%

Mar 18, 2025 • 12min
Aspartame: The Silent Killer in Your Diet Soda?
Story at-a-glance Aspartame triggers unnatural insulin spikes by stimulating the vagus nerve, leading to metabolic dysfunction and increased fat storage Research shows that aspartame-driven insulin surges fuel chronic inflammation in blood vessels, accelerating the progression of atherosclerosis and heart disease Artificial sweeteners alter gut bacteria homeostasis, increasing glucose intolerance that makes blood sugar regulation more difficult over time Cutting out aspartame and other artificial sweeteners is the first step to restore insulin sensitivity and protect your cardiovascular health Natural solutions like targeted carbohydrate intake and adding fermented foods to your diet help reverse the metabolic damage caused by artificial sweeteners

Mar 17, 2025 • 12min
Is Iron Stealing Your Mind? The Alzheimer's Link
Story at-a-glance Iron plays essential roles in brain function, helping transport oxygen and create neurotransmitters, but if excess iron accumulates in brain tissue, it disrupts normal cellular processes Research shows higher iron levels in Alzheimer's patients' brains correlate with cognitive decline severity, suggesting iron buildup directly contributes to disease progression Scientists have revealed that malfunctioning amyloid precursor protein and tau proteins in Alzheimer's disease contribute to iron accumulation, creating a harmful feedback loop that accelerates neuronal damage Through advanced imaging, researchers found an imbalance favoring Fe3+ (ferric iron) over Fe2+ (ferrous iron) in Alzheimer's-affected brains, particularly around amyloid plaques Regular blood donation and monitoring ferritin levels (ideally 20 to 40 ng/mL) help manage iron levels, while adequate copper intake is important for proper iron metabolism

Mar 17, 2025 • 10min
Early-Onset Colon Cancer: Is Your Gut to Blame?
Story at-a-glance Rising incidence of early-onset colorectal cancer is linked to changes in the gut microbiome, with specific bacterial strains producing mutagenic chemicals that contribute to cancer risk Global studies are underway to identify mutational signatures associated with gut bacteria, highlighting the significant role of dysbiosis in colorectal carcinogenesis Understanding the influence of gut bacteria on cancer development could lead to innovative therapeutic strategies, offering new avenues for prevention and treatment Research has identified a subtype of E. coli producing colibactin, a mutagen associated with cancer, suggesting that early exposure increases the risk of developing cancer at a younger age Dysbiosis, characterized by an imbalance in gut microbiota, is linked to colorectal cancer through mechanisms like genotoxicity, inflammation and oxidative stress, with specific bacteria such as Streptococcus bovis and Fusobacterium spp. playing a central role

Mar 15, 2025 • 11min
Overstimulated or Overwhelmed? Unmasking the Difference
Story at-a-glance Overstimulation is a condition where your brain cannot process sensory information effectively, distinctly different from overwhelm, which is an emotional reaction to stress and responsibilities True sensory overload triggers intense physical and emotional responses, including panic attacks, muscle tension and a strong urge to escape, particularly affecting those with PTSD, autism, ADHD and anxiety disorders Chronic overstimulation often leads to burnout, diminished performance and avoidance behaviors, with even positive life changes triggering overwhelming sensory experiences in sensitive individuals The fight-or-flight response plays a key role in sensory overload, with common triggers including loud noises, bright lights, strong smells and uncomfortable textures Management strategies include creating a personal sanctuary, maintaining proper sleep, taking outdoor walks and nourishing your body with healthy carbohydrates to build resilience against sensory challenges