News From Dr. Joseph Mercola DO

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  • Cardiorespiratory Fitness May Cut Dementia, Depression, and Psychosis Risk

    Dr. Joseph Mercola DO - Jun 26th 2026 11:33pm EDT

    STORY AT-A-GLANCE Adults with higher cardiorespiratory fitness had significantly lower risks of dementia, depression, and psychotic disorders, showing that your long-term brain health is strongly tied to how efficiently your body uses oxygen during movement Researchers found that even small improvements in exercise capacity reduced dementia and depression risk, meaning your brain responds to gradual […]

  • Why Medicine Won’t Cure You (and What’s Finally Changing)

    Dr. Joseph Mercola DO - Jun 25th 2026 11:34pm EDT

    By: A Midwestern Doctor STORY AT-A-GLANCE No industry, organization, or cause tasked with solving a problem will actually solve it, because the problem disappearing threatens their economic livelihood or political power The pharmaceutical industry has perfected this model: drugs are designed to be taken perpetually rather than cure, side effects create demand for additional drugs, […]

  • Ultraprocessed Foods Linked to Measurable Drops in Human Attention Span

    Dr. Joseph Mercola DO - Jun 24th 2026 11:33pm EDT

    STORY AT-A-GLANCE Researchers found that every 10% increase in ultraprocessed food intake linked to measurable declines in attention performance, even in adults without dementia Attention problems such as brain fog, distractibility, slower thinking, and mental fatigue often appear long before obvious memory loss and may reflect early metabolic stress in the brain The study found […]

  • Ultraprocessed Foods Linked to Measurable Drops in Human Attention Span

    Dr. Joseph Mercola DO - Jun 24th 2026 11:33pm EDT

    STORY AT-A-GLANCE Researchers found that every 10% increase in ultraprocessed food intake linked to measurable declines in attention performance, even in adults without dementia Attention problems such as brain fog, distractibility, slower thinking, and mental fatigue often appear long before obvious memory loss and may reflect early metabolic stress in the brain The study found […]

  • How an Overactive Immune System Can Drive Cancer

    Dr. Joseph Mercola DO - Jun 23rd 2026 11:33pm EDT

    STORY AT-A-GLANCE Chronic immune activation creates a feedback loop between immune cells that keeps them stuck in “on mode,” increasing the likelihood of uncontrolled growth and lymphoma development over time Autoimmunity and cancer are opposite outcomes of the same immune system imbalance, meaning pushing your immune system too hard or suppressing it too much both […]

  • Scientists Warn of Vision and Nerve Side Effects from GLP-1 Drugs

    Dr. Joseph Mercola DO - Jun 22nd 2026 11:33pm EDT

    STORY AT-A-GLANCE GLP-1 drugs such as Ozempic and Wegovy have been linked to serious vision concerns, including diabetic retinopathy and optic nerve damage that can result in lasting vision loss Research suggests the highest risk of sudden vision loss may occur within the first year of starting these drugs, with symptoms sometimes appearing overnight without […]

  • How Krill Oil Eases Osteoarthritis Pain and Boosts Muscle Strength in Older Adults

    Dr. Joseph Mercola DO - Jun 21st 2026 11:33pm EDT

    STORY AT-A-GLANCE Krill oil improved knee pain, stiffness, and physical function in people with osteoarthritis, helping participants move more comfortably during daily activities like walking and climbing stairs Older adults taking krill oil for six months improved grip strength, knee strength, and muscle thickness, which helps protect against falls, weakness, and loss of independence with […]

  • Study: Short-Chain Fatty Acids May Influence the Gut-Brain Connection

    Dr. Joseph Mercola DO - Jun 20th 2026 11:33pm EDT

    STORY AT-A-GLANCE Butyrate, a short-chain fatty acid (SCFA) produced by gut bacteria that ferment fiber, serves as a primary fuel source for colon cells and as a chemical messenger that researchers have associated with reduced brain stress, improved memory, and healthier inflammation responses Modern low-fiber diets (around 15 to 20 grams daily versus far higher […]

  • The Best Time to Take Magnesium for Better Sleep

    Dr. Joseph Mercola DO - Jun 19th 2026 11:34pm EDT

    STORY AT-A-GLANCE Taking magnesium 30 to 60 minutes before bed strengthens your body’s natural sleep signal and helps you fall asleep faster Magnesium supports calming brain chemicals and melatonin, which helps quiet a “busy mind” and stabilize your sleep cycle Low magnesium levels are common and leave your nervous system stuck in an overstimulated state […]

  • New Study Highlights Fructose’s Unique Role in Metabolic Disease

    Dr. Joseph Mercola DO - Jun 18th 2026 11:33pm EDT

    STORY AT-A-GLANCE Fructose acts as a metabolic signal that pushes your body to store fat and lowers cellular energy, which explains why weight gain and fatigue can happen even without obvious overeating Your body converts fructose into fat more easily than other sugars, increasing triglycerides and driving fatty liver, insulin resistance, and long-term metabolic disease […]

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  • Molecular Hydrogen Emerges as a Promising Recovery Tool for Athletes

    Dr. Joseph Mercola DO - Jun 17th 2026 11:33pm EDT

    STORY AT-A-GLANCE Molecular hydrogen improves your body’s antioxidant defenses instead of directly lowering oxidative stress, helping you recover without blocking muscle adaptation Molecular hydrogen helps you maintain speed and power during repeated sprints, especially in the final, fatigue-heavy stages where performance normally declines Hydrogen supports your cellular energy systems by improving mitochondrial function, allowing your […]

  • Metabolic Syndrome Has Doubled Worldwide Over the Last 2 Decades

    Dr. Joseph Mercola DO - Jun 16th 2026 11:33pm EDT

    STORY AT-A-GLANCE Metabolic syndrome now affects about 1 in 4 adults worldwide, with cases rising rapidly across nearly every country and age group, which means your personal risk is higher than it was just a generation ago The condition develops silently through a combination of abdominal fat, high blood sugar, high blood pressure, and abnormal […]

  • Study Reveals Immune Aging Differs Significantly Between Men and Women

    Dr. Joseph Mercola DO - Jun 15th 2026 11:33pm EDT

    STORY AT-A-GLANCE Your immune system doesn’t simply weaken with age; it reshapes itself in ways that change your risk for infections, cancer, and autoimmune disease, which affects how well your body recovers and stays resilient over time Women develop a more reactive and inflammatory immune system as they age, which strengthens defense against infections but […]

  • The Cause Behind ‘Ozempic Face’ and What You Can Do About It

    Dr. Joseph Mercola DO - Jun 14th 2026 11:33pm EDT

    STORY AT-A-GLANCE People using GLP-1 drugs like Ozempic lose about 7% of their facial fat for every 22 pounds of body weight lost, resulting in a hollow, prematurely aged look Rapid weight loss may drain key nutrients and fatty acids that your body needs to produce collagen and maintain firm, healthy skin “Ozempic face” may […]

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  • Molecular and Cellular Mechanisms of Pentadecanoic Acid (C15:0)

    Dr. Joseph Mercola DO - Jun 13th 2026 11:34pm EDT

    STORY AT-A-GLANCE Pentadecanoic acid (C15:0) is a unique odd-chain saturated fat found in full-fat dairy (preferably from raw or grass fed sources), certain fish, and select plants. Emerging research suggests it may support fat metabolism and energy balance through partial receptor activation, with preclinical findings pointing to a different safety profile than the single-target pharmaceutical […]

  • From Bakelite to Biohazard — The Century-Long Rise of Microplastics

    Dr. Joseph Mercola DO - Jun 12th 2026 11:33pm EDT

    STORY AT-A-GLANCE Plastics are everywhere — from bottles and food wrappers to your phone and your car — because they’re cheap and durable. But over time, they break down into microplastics that may harm the environment and have been linked to potential health effects Global plastic production exploded from 2 million tons in 1950 to […]

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  • Cortisol Kill-Switch: Exercise Rewires Stress Biology

    Dr. Joseph Mercola DO - Jun 11th 2026 11:33pm EDT

    STORY AT-A-GLANCE A 12-month clinical trial found that consistent aerobic exercise lowered long-term cortisol levels, showing your body can reduce chronic stress when you train it regularly About 150 minutes per week of moderate-to-vigorous movement was enough to create measurable changes, making stress reduction achievable with a realistic routine Cortisol is not just a stress […]

  • The Collagen Crisis: Why Most Adults May Be Running a Deficit They Don’t Know About

    Dr. Joseph Mercola DO - Jun 10th 2026 11:33pm EDT

    STORY AT-A-GLANCE Your body needs about 12 grams of glycine daily just for collagen synthesis, but can only make about 3 grams and gets 2 to 4 grams from a typical diet, leaving a notable 10-gram daily deficit in many adults This deficit isn’t a disease. It’s an evolutionary constraint built into human biochemistry. Our […]

  • Most Americans Are Deficient in the One Nutrient Vitamin D Depends On

    Dr. Joseph Mercola DO - Jun 9th 2026 11:33pm EDT

    STORY AT-A-GLANCE Many people focus on vitamin D intake, but without enough magnesium your body can’t activate it, leaving you functionally deficient even with sun exposure or supplements Nearly 80% of U.S. adults fall short on magnesium, creating a widespread hidden barrier that limits how well your body uses vitamin D Magnesium acts as a […]

  • Lower ‘Biological Age’ Strongly Linked to Brain Protection

    Dr. Joseph Mercola DO - Jun 8th 2026 11:33pm EDT

    STORY AT-A-GLANCE Your brain ages based on your internal health, not just your birthday, and when your biological age runs higher than your actual age, your risk of stroke and cognitive decline rises sharply Lowering your biological age leads to measurable brain protection, including reduced stroke risk, less structural damage, and better preservation of memory […]

  • Mercury Fillings Raise Mercury Levels Throughout Your Body

    Dr. Joseph Mercola DO - Jun 7th 2026 11:33pm EDT

    STORY AT-A-GLANCE Dental “silver fillings” are made with roughly 50% mercury, and researchers found adults with amalgam fillings carried significantly higher blood mercury levels than people without them The study showed that mercury exposure rose as the number of amalgam filling surfaces increased, meaning every additional filling added to the body’s toxic burden Mercury vapor […]

  • Kennedy Starts a Push to Help Americans Quit Antidepressants

    Dr. Joseph Mercola DO - Jun 6th 2026 11:33pm EDT

    STORY AT-A-GLANCE Federal health agencies announced a new national effort to reduce psychiatric overprescribing, increase informed consent, and expand access to non-drug mental health approaches like psychotherapy, nutrition, and physical activity Investigators who reanalyzed one of the most influential antidepressant trials reported that the original success claims were heavily inflated, with corrected remission rates falling […]

  • Kennedy Starts a Push to Help Americans Quit Antidepressants

    Dr. Joseph Mercola DO - Jun 6th 2026 11:33pm EDT

    STORY AT-A-GLANCE Federal health agencies announced a new national effort to reduce psychiatric overprescribing, increase informed consent, and expand access to non-drug mental health approaches like psychotherapy, nutrition, and physical activity Investigators who reanalyzed one of the most influential antidepressant trials reported that the original success claims were heavily inflated, with corrected remission rates falling […]

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  • Are You Taking Vitamin D at the Wrong Time?

    Dr. Joseph Mercola DO - Jun 5th 2026 11:33pm EDT

    STORY AT-A-GLANCE Taking vitamin D at midday with your largest meal improves absorption and helps your body use it more effectively for mood, sleep, and brain function Normal vitamin D blood levels don’t guarantee results because your body needs to convert it into an active form that your cells can actually use A large portion […]

  • The Surprising Benefits of Matching Your Workout Schedule to Your Natural Body Clock

    Dr. Joseph Mercola DO - Jun 4th 2026 11:33pm EDT

    STORY AT-A-GLANCE Matching your workout time to your natural body clock leads to significantly better results without changing the workout itself Exercising at the right time nearly doubles improvements in blood pressure, while also boosting fitness, metabolism, and sleep quality Your internal rhythm controls energy, strength, and recovery, so training at the wrong time reduces […]