Health Studies Hub
Your go-to source for daily breakdowns of the latest health, fitness, and nutrition research.
Creatine Sharpens Your Memory—Not Just Your Muscles.
Creatine’s known benefits for muscle energy appear to extend to the brain—boosting cognitive function via enhanced cellular energy supply. The memory improvements were consistent across sexes and independent of body composition changes, suggesting creatine supports brain performance directly.
Low Magnesium Tied to Depression, Migraines, and Alzheimer’s.
Magnesium is far more than a mineral—it’s a crucial brain-and-mood regulator. A 2025 comprehensive review in Nutrients by Varga et al. shows that low magnesium is linked to depression, migraine, Alzheimer’s, and cognitive decline.
Your Favorite Scented Candle Might Be as Toxic as Car Exhaust.
Scented candles—especially paraffin-based—don’t just smell cozy. Multiple studies show they release toxic chemicals like benzene, formaldehyde, toluene, carbon monoxide, and polycyclic aromatic hydrocarbons (PAHs)—many of which are carcinogenic, hormone-disrupting, or linked to respiratory disease.
“Safe” Air Pollution Levels are Scarring Your Heart.
A 2025 MRI study from the University of Toronto found that long-term exposure to even low levels of air pollution causes hidden heart damage, specifically increasing myocardial fibrosis—a form of scarring linked to future cardiovascular disease.
One Injection Restores Hearing in Deaf Children
A 2025 gene-therapy study by Karolinska Institutet restored hearing in all 10 participants—children and adults with congenital OTOF-related deafness—within just one month of a single inner-ear injection.
96 Toxic Chemicals Found in Nearly Every Toddler.
A 2025 study by UC Davis analyzed 201 toddlers (ages 2–4) from four U.S. states and found 96 different chemicals in their urine—48 found in over half of the kids, 34 in more than 90%—many not even tracked by national surveys.
Even Low Doses of Glyphosate Can Trigger Cancer.
A groundbreaking 2-year controlled study on rats—considered the gold standard for cancer research—found that even “safe” levels of glyphosate exposure caused multiple types of cancer, including leukemia, liver, thyroid, kidney, and brain tumors.
Children’s Health Starts in the School Cafeteria.
A 2025 review in Nutrients by Tur & González-Gross highlights how school environments—especially meals and physical activity programs—directly shape the long-term nutrition and fitness habits of children and adolescents.
More Than One Drink a Day Can Wreck Your Period.
A 2015 prospective cohort study published in The American Journal of Clinical Nutrition followed 259 women and found that those who drank more than one drink per day had a 49% increased risk of heavy menstrual bleeding.
Curcumin Can Help Lower Blood Sugar in Just 12 Weeks.
A 2025 double-blind, placebo-controlled trial by Lamichhane et al. in Nutrients found that elderly prediabetic adults taking 80 mg/day of curcumin for 12 weeks saw significant reductions in HbA1c, a key marker of long-term blood sugar control.
Psoriasis May Be a Sign of Dangerous Metabolic Issues.
A 2025 report in EMJ Dermatology highlights growing evidence that severe psoriasis is strongly linked to metabolic syndrome—a cluster of conditions like high blood pressure, high blood sugar, obesity, and unhealthy blood fats.
Your Spit Could Predict Cancer, Heart Disease, and More.
Researchers at the University of the Basque Country (2025) have discovered that saliva contains hundreds of DNA methylation markers linked to major diseases—including cancer, coronary artery disease, type 2 diabetes, and Parkinson’s.
Organic Food Isn’t Just About Pesticides—It Signals a Healthier Life.
A 2024 cross-sectional study in Nutrients by Havemann-Nies et al. analyzed nearly 10,000 German adults and found that those who regularly ate organic food had healthier diets overall—higher in fruits, vegetables, whole grains, and fiber, and lower in sugar, saturated fat, and ultra-processed foods.
Green Tea Could Naturally Boost Testosterone Levels.
A 2025 study cited in Muscle & Fitness by the National Library of Medicine found that drinking green tea daily for 20 years raised testosterone levels by 30% in men compared to non-drinkers.
Regular Napping Could Protect Your Brain From Aging.
A 2023 study by Paz V et al. linked regular daytime napping to larger brain volume. Analyzing 378,932 people aged 40-69 from the UK Biobank, researchers used Mendelian randomization to find that those genetically prone to napping had brains 15.8 cm³ larger, equivalent to 2.6-6.5 years less brain aging.
Stevia Is Marketed as Healthy—But It Acts Like Birth Control.
Stevia is marketed as a natural, plant-based, zero-calorie sweetener—but multiple studies suggest it might act more like birth control than a harmless sugar alternative.
Ashwagandha Boosts Mood, Sleep, and Brainpower.
Ashwagandha, a powerful herb used in traditional medicine, has been shown in a 2025 review to help reduce stress, fatigue, anxiety, and depressive symptoms. It also supports better sleep and sharper mental focus, boosting overall feelings of well-being—even for older adults aged 60–85.
Pesticide Exposure May Be Undermining Your Heart Health.
A 2025 analysis in Frontiers in Nutrition by He, Wang & Li used data from 12,432 U.S. adults to link specific pesticide chemicals—including the herbicide 2,4-D, organophosphates, and glyphosate—to poorer overall cardiovascular health.
Hot Tubs May Be Better Than Saunas for Heart and Immunity.
A 2025 study from the University of Oregon’s Bowerman Sports Science Center found that soaking in a hot tub raised core temperature the most, triggering stronger cardiovascular and immune responses—like increased heart output, improved blood flow, lower blood pressure, and boosted white blood cells—compared to saunas.
Vitamin C Reactivates Your Skin’s “Youth Genes.”
A 2025 study at Tokyo Metropolitan Institute for Geriatrics and Gerontology found that applying vitamin C to aged skin flips on genes responsible for regenerating skin cells—resulting in noticeably thicker, more resilient skin.