Coffee, tea, alcohol: which ones really dehydrate you?
Does coffee dehydrate you? What about tea? Despite what everyone repeats, only one of these three drinks genuinely dehydrates you — and it is not the one you think.
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Migraine or dehydration headache: how to tell them apart
Not every headache is a migraine. The signs that point to a headache caused by lack of water and electrolytes, and what genuinely helps day to day.
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Water retention: why drinking less makes it worse
Swollen ankles, tight rings, heavy legs: cutting back on water is counterproductive. What actually matters is the sodium-potassium balance.
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Intermittent Fasting: Why Your Electrolytes Drop (and How to Rebalance Them Without Breaking Your Fast)
Intermittent fasting drains your sodium, potassium and magnesium reserves. The warning signs to watch for, and how to stay hydrated without breaking your fast.
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Back to routine: getting your hydration back on track after the holidays
Getting back to sport, a new routine, the last of summer's heat: returning after the holidays puts your hydration to the test. What actually changes, and how to restart without the fatigue...
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Heatwaves: why drinking more water isn't enough
Above 30 °C, your body doesn't just lose more water: above all it loses far more salt. What that changes in practice, and how to adapt your hydration this summer.
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How much water should you really drink a day?
A litre and a half? Eight glasses? The rule everyone repeats never rested on much. Here are the real reference points — and why volume isn't the whole story.
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Electrolytes and sport: what to drink before, during and after exercise
Sports hydration doesn't start at the whistle and doesn't stop at the shower. Here is the simple before / during / after protocol to perform, avoid cramps and recover better.
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Muscle cramps and headaches: could it be an electrolyte shortfall?
Night cramps, calves seizing up after exercise, headaches at the end of the day: these signals often share one thing — an electrolyte imbalance. Here's how to recognise it and put it...
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