Science
Why You Still Feel Tired After 8 Hours Of Sleep
Banking the requisite sleep hours but still waking up exhausted? Experts explain the hidden biology behind non-restorative sleep.
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Guide
Is 5g Of Creatine Really Enough?
New research suggests this maintenance or standard dose may not be enough to cover brain, recovery and sleep benefits. So, how much creatine should you be taking?
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Science
What's Better For Improving My HRV: Exercise Or Sleep?
Heart rate variation is a key indicator of cardio fitness, but is sleep or exercise best for boosting your numbers? Our medical experts take the pulse of the latest fitness obsession.
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Wellbeing
How To Avoid 'Creatine Bloat', According To Experts
A doctor, dietitian, and nutritionist explain how to burst the bloat bubble with some smart dietary swaps and tips.
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Why You Should Spike Your Cortisol Levels In The Morning
The neurotransmitter gets a bad rap, but science shows we actually need these spikes for optimal health and wellbeing. Here's how to raise cortisol levels the right way.
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How Rugby Legend Jonny Wilkinson Overcomes Performance Anxiety
Former English rugby star Jonny Wilkinson stopped by Healf's offices in London to share his best tactics for overcoming performance anxiety.
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Newsroom
Healf Named #1 Fastest-Growing European Company by The Financial Times
The ranking was part of the FT's annual FT1000 List for 2026, marking 621.74% CAGR between 2021 and 2024.
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Is The Sauna The Best Way To Sweat Out Microplastics?
Biohacker Bryan Johnson claims a daily sauna habit slashed his microplastic levels, but experts say the science may not stack up. We asked two experts to separate biohacking hype from hard evidence.
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How Breathwork Became The Go-To Tool For Calming Your Nervous System
From nervous system regulation to stress resilience, why learning to breathe properly is becoming a modern day survival skill.
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Why Are Neuroscientists Fascinated With God?
The evidence suggesting faith in a higher power measurably changes how the brain handles performance is building, and it has implications for all of us.
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