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NUTRITION AND YOUR BODY
Articles prepared together with doctors, nutritionists and biomechanics specialists.
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229 ARTICLESHow to Choose a Personal Trainer Without Wasting Your Money
A single session costs as much as dinner out; a ten-pack costs as much as a holiday. And yet most people pick a trainer by the smile at the front desk and a friend saying 'he's great'. Here's what a trainer actually changes about your results (the numbers exist, and they're more modest than the ads), how to size someone up in one trial session, and which signs mean you should walk away.
Always Hungry and Tired in the Fall: It's the Daylight, Not Your Willpower
From September the alarm feels two hours early and your hand reaches for the biscuits on its own. That isn't a character flaw: in a study of 593 adults, calorie intake in autumn ran above spring, while physical activity fell to its yearly low in winter. Here's exactly what the shorter day does to appetite and sleep — and the three levers that give you back control.
Ultra Processed Food: Why It Quietly Adds 500 Calories a Day — and How to Spot It in 10 Seconds
In an NIH clinic, people were fed two diets matched for calories, sugar, fat and fibre. On the ultra processed one they ate about 500 more calories a day — and never noticed. Here's what actually counts as ultra processed food, how to identify it from the label in ten seconds, and why \"just eat less\" works worse here than it sounds.
Exercise Snacks: Why Three Minutes of Movement a Few Times a Day Works When There's No Time for the Gym
An hour in the gym isn't always there; a staircase is there every single day. Exercise snacks — bursts of movement from 20 seconds to 3 minutes, scattered across the day — turned out to be a working strategy rather than a compromise for the lazy: in UK Biobank data, three such bursts a day were linked to 38–40% lower mortality. Here's what counts, how much you need, and what the format doesn't replace.
Cortisol Detox: TikTok Treats the Stress Hormone With Drinks — That's Not How It Works. What Actually Lowers Cortisol
The #cortisoldetox hashtag sits at roughly 800 million views: salted mocktails, ashwagandha, anti-cortisol diets, and the fear of cortisol face. Doctors answer calmly: cortisol is not a toxin, and you can't detox it with a drink. Here's what the trend is selling, where the grain of truth hides, and what actually lowers cortisol — for free.
Hyrox: The World's Fastest-Growing Sport — What It Is and How to Train Strength and Endurance Together
Hyrox drew over 2.5 million participants in a year — 6–8 times more than Ironman — and filed for Olympic recognition. The format is simple: 8 one-km runs, each followed by a functional station. Here's what the race actually is, what a hybrid athlete means, and how a regular person can train strength and endurance together — the science says they interfere far less than gym folklore claims.
Fibermaxxing: Why Everyone Suddenly Loves Fiber — and Why Doctors Actually Approve This Trend
Fibermaxxing — 2026's trend of deliberately maxing out fiber — is that rare case where doctors side with TikTok: 90–95% of people in Western countries fall short of the target. Here's what fiber actually does according to the research, how to build a 30-gram day from normal foods, and the caveats influencers skip.
75 Hard: What the Challenge Actually Demands — and Why Almost No One Finishes It
75 Hard is a 75-day challenge built on five daily rules with zero exceptions: miss a single item once and you restart from day 1. Entrepreneur Andy Frisella launched it in 2019, and TikTok turned it into a phenomenon. We check every rule against the WHO and EFSA guidelines and show which parts are worth keeping — and which belong to its author.
Japanese Walking (3-3 Method): Why Everyone Is Talking About It — and What Five Months Really Give You
Everyone is talking about Japanese walking — search interest is up nearly 3,000% in a year — and the appeal is obvious: it's an ordinary walk where you swap 3 brisk minutes for 3 easy ones, no gym and no gear. What makes it worth the noise is the data: over five months in the research, peak aerobic power rose about 20%, leg strength 13–17%, and blood pressure fell further than with steady walking.
The 25-7-2 StairMaster Workout: What It Is and Whether It Works
TikTok turned three numbers — 25 minutes, level 7, 2 times a week — into a queue for the one cardio machine nobody used to touch. Here's what actually works in the 25-7-2 workout, and what's just good packaging.