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Showing posts with the label Science

The Best Time to Exercise, According to the Trials That Actually Compared Them

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy Ask when you should train and you will get a confident answer either way. Morning people will tell you fasted cardio at 6am is the whole secret. Evening people will tell you your body is not even warmed up until the afternoon. Both sound authoritative, and both are usually arguing from personal habit rather than from research. There is actual research on this, though, and it is more specific than either camp suggests. Several randomized trials have put morning training directly against evening training in the same study, measured real outcomes, and found that the answer changes depending on what you are trying to achieve. Here is what those trials found, what they could not settle, and one thing worth understanding before any of it matters. Does timing matter more than just showing up?  No, and this is the part worth fixing in place before anything else. Every trial discussed here compares one training time a...

No, the Sunscreen Study Was Not Retracted. Here Is What It Actually Found.

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy What started this latest sunscreen scare?  Every few months, a post goes viral claiming that sunscreen does more harm than the sun itself. The current version points to a real study, one that found certain sunscreen ingredients absorb into the bloodstream at levels above an FDA technical threshold. From there, the posts jump to a conclusion the study never made: that sunscreen causes cancer and should be avoided [JAMA]. The gap between those two sentences is where millions of readers get lost. So we went back to the actual trials, including the only randomized controlled trial that has ever tracked melanoma outcomes in sunscreen users over more than a decade. And before we start, one question readers keep asking deserves a direct answer up front. Was a sunscreen study retracted?  No. The JAMA absorption studies remain published and cited by the FDA in its ongoing rulemaking on sunscreen safet...

Creatine Is Being Sold as a Brain Supplement. The Researchers Studying It Just Pushed Back.

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy For decades, creatine sat in one clearly defined category: a sports supplement, studied for strength and muscle, sold to people who lift. Over the past year or two, it has quietly migrated somewhere else entirely, into brain health content, longevity routines, and cognitive enhancement discussions. Then something unusual happened. In January 2026, a group of researchers who study creatine professionally published a review in the Journal of Dietary Supplements with a title that reads like a warning to their own field: "Creatine Supplementation and the Brain: Have We Put the Cart Before the Horse?" When the scientists studying a supplement are the ones asking whether the enthusiasm has outrun the evidence, that's worth understanding in detail. Why would a muscle supplement affect your brain at all?  The biological logic is more coherent than it first sounds. Your brain makes up roughly 2 percent of yo...

You Can Check Almost Any Health Claim Yourself in About Five Minutes. Here's How.

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              Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy Someone tells you a supplement reverses aging. A video claims a specific food cures inflammation.  An article says a new drug is a breakthrough. Most people have no practical way to check any of it, so they either believe it or dismiss it based on how the claim feels. There's a third option most people don't know exists: the actual studies behind these claims are public, free, searchable, and required by law to be there. You don't need a medical degree to use them. You need to know three websites and roughly four questions. Where do the actual studies live?  The most useful starting point is ClinicalTrials.gov, a registry and results database of clinical studies conducted on human participants worldwide, maintained by the National Library of Medicine at the National Institutes of Health (NIH). It exists because of federal law: the FDA Modernization Act of ...

Cold Showers Are Everywhere on Social Media. Does the Research Actually Back Them Up?

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy Ice baths, cold plunges, freezing showers before sunrise, cold water exposure has become one of the most visible wellness trends of the past few years. The claims attached to it are big: less stress, better sleep, stronger immunity, sharper mood. So researchers at the University of South Australia decided to actually check the evidence, all of it, in one place. What they found is more specific, and more interesting, than either the hype or the skepticism suggests. Was this actually tested on humans?  Yes, and the review itself pulled together every qualifying human trial that existed. Published in the peer-reviewed journal PLOS One in January 2025, the systematic review and meta-analysis combined 11 randomized controlled trials covering 3,177 healthy adults, all exposed to cold water at 15°C or below, through cold showers, ice baths, or cold plunges, for at least 30 seconds (University of South Australia, PLO...

A Cancer Vaccine Built From Your Own Tumor Just Cleared Its Biggest Test Yet

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy For the first time, a personalized cancer vaccine built from mRNA technology, the same platform behind the COVID-19 vaccines, has succeeded in a Phase 3 trial. The announcement, made this week by Moderna and Merck, marks a genuine first in oncology, and it's worth understanding what the vaccine actually is, what the trial found, and what still isn't known. What makes this vaccine different from a normal one? Unlike a traditional vaccine that protects against a virus, this one is built individually for each patient. It's classified as an individualized neoantigen therapy, meaning each dose is manufactured from the specific mutations found in that patient's own tumor after it's surgically removed, then combined with Merck's existing immunotherapy drug Keytruda (pembrolizumab). The goal isn't prevention in the traditional sense, it's teaching the immune system to recognize and attack ...

There Are Over 50 Named Diets Right Now. Only a Handful Actually Have Real Evidence Behind Them.

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy Search "best diet" and you'll get a wall of names competing for your attention: keto, paleo, Mediterranean, DASH, carnivore, intermittent fasting, Whole30, flexitarian, and dozens more. Most of them promise the same thing, better health, easier weight management, more energy, but they're built on very different principles, and they don't have anywhere near equal amounts of research behind them. So which one actually holds up? The honest answer depends on what you're trying to fix, but the research base itself isn't a mystery. Nutrition researchers have been ranking these patterns for years, and the gap between the most-studied diets and the trendiest ones is bigger than most headlines let on. What separates a well-studied diet from a trendy one?  A useful way to sort the field: diets fall into roughly six categories, evidence-based mainstream patterns, low-carb approaches, plant-base...

Your Body Was Designed to Live a Very Specific Kind of Day. Almost Nobody Actually Lives It.

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Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy Somewhere in your DNA, right now, thousands of genes are turning on and off according to a schedule that predates electric light, alarm clocks, and indoor living by millions of years. Scientists studying this schedule have a name for it, and a growing body of research on what happens when modern life ignores it. The finding worth sitting with is this: your body isn't guessing at what a healthy day looks like. It has a blueprint, written into your genome, and researchers can now describe with real precision what a day matches that blueprint and what a day fights against it. The clock nobody remembers they're carrying  Nearly every gene in the human genome rises and falls in activity according to a roughly 24-hour rhythm, timed to the natural cycle of day and night our species evolved under, according to circadian biology research out of the Salk Institute (Panda, Journal of Innovation in Aging). This isn...

The FDA Just Admitted It Can't Regulate Medicine the Old Way Anymore

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  Written by the Global Wellness Hub Editorial Team · Reviewed for accuracy For decades, a new drug's path to your pharmacy shelf followed a predictable script: years of lab work, animal testing, three phases of human trials, then a mountain of paperwork reviewed by human regulators. That script just got rewritten, not by a pharmaceutical company, but by the regulators themselves. On January 14, 2026, the FDA and its European counterpart, the EMA, published something that had never existed before: a joint set of ten guiding principles for how artificial intelligence should be built, used, and monitored across the entire lifecycle of a drug. This is the first time these two agencies have aligned on AI rules for medicine at all, and it tells you how fast this shift is actually moving. Where AI has already changed the research itself  The clearest evidence isn't a prediction. It's already in the numbers. An internal FDA audit from November 2025 found that 60 percent of New Dru...