Dr. Joseph Mercola - Take Control of Your Health

Why Rosacea Intensifies in Midlife and How to Cut Flare Frequency

Rosacea often worsens in midlife because years of inflammation prevent blood vessels from fully recovering between triggers, making redness more persistent An overactive immune response keeps inflammatory signals switched on, which drives flushing, burning, and visible blood vessels even without obvious triggers Gut imbalance fuels facial inflammation by sending immune signals into your bloodstream that keep skin cells reactive and slow recovery Processed foods, including seed oils, increase inflammatory load, while stabilizing digestion and reducing daily stressors lowers flare frequency Addressing root drivers such as diet, gut health, and emotional stress reduces reactivity and helps your skin regain the ability to reset

Evidence Points to a Narrow Exercise Range That Protects Metabolism and Cognition

Walking 5,001 to 7,500 steps a day slows the buildup of tau, the brain protein linked to Alzheimer's-related decline, helping you stay sharper for years longer Older adults with elevated amyloid — a key early Alzheimer's marker — preserved memory and daily function far better when they consistently reached a moderate step range Even small increases in movement, such as moving from under 3,000 steps to 3,500 to 5,000 per day, deliver meaningful cognitive benefits without requiring intense exercise High-intensity training pushed healthy adults into metabolic dysfunction, reducing mitochondrial energy production by about 40% and disrupting blood sugar stability Finding your personal exercise "sweet spot" — enough movement to avoid inactivity without pushing into extreme training — protects both long-term brain health and daily metabolic balance

How Ultraprocessed Foods Increase Your Crohn's Disease Risk

Eating five or more servings of ultraprocessed foods (UPFs) a day nearly doubles your risk of developing Crohn's disease Additives like emulsifiers, thickeners, and artificial sweeteners found in ultraprocessed foods break down the gut's protective mucus barrier and fuel chronic inflammation High intake of UPFs is linked to changes in gut bacteria that reduce diversity and promote the growth of harmful strains associated with inflammatory bowel disease (IBD) flare-ups Common UPFs like white bread, frozen meals, sauces, and breakfast cereals show the strongest links to increased Crohn's risk Removing seed oils, emulsifiers, and UPF-heavy meals while focusing on gut-repairing whole foods can help reduce flare frequency and support long-term healing

Elderberry Juice Gives Overweight Adults a Metabolic Advantage

A new Nutrients study shows that drinking 12 ounces of 100% elderberry juice daily for a week helped overweight adults activate more genes that regulate how the body uses energy after meals than a placebo Elderberry juice turned on processes that help the body manage energy better — making it easier to switch between burning carbohydrates and fat for fuel Earlier research from Washington State University showed elderberry juice improved blood sugar control, increased fat burning, and shifted energy use during meal challenges Practical tip: Aim for about 12 ounces of unsweetened, 100% elderberry juice daily for seven days. Check labels to avoid added sugars, as unsweetened juice still contains about 30 to 36 grams of natural sugar per eight-ounce serving Safety first: Never eat raw elderberries, check for medication interactions (such as immunosuppressants or diabetes drugs), and consult a healthcare provider before using if you are breastfeeding or have an autoimmune condition

Why Winter Worsens Migraines and How to Prevent Them

Winter worsens migraines because cold, darkness, and routine disruption overload your nervous system and reduce your brain's ability to regulate pain signals Seasonal drops in light exposure disrupt melatonin and circadian rhythm, lowering your brain's resilience and increasing headache frequency and intensity Excess LA from seed oils damages mitochondrial energy production, making your brain more reactive to stress and more prone to migraine attacks in any season Stable daily patterns — consistent sleep timing, hydration, meals, and movement — reduce neurological stress and raise your migraine threshold Restoring cellular energy by lowering LA intake and supporting mitochondrial function helps your brain stay calm, resilient, and less reactive year-round