Otužilci Frýdek≈Místek logoOtužilci Frýdek≈MístekIt is easier than it looks.
Otužilci Frýdek≈Místek together beside the River Ostravice in winter
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August 2026

2 articles in the archive

How to get into cold-water swimming — without overcomplicating it

The internet is awash with advice on how to get used to cold water. As so often happens, the first thing you see is a paid course, a “unique method”, cold therapy, biohacking or a workshop where you spend several thousand crowns learning that cold water is cold and that you should breathe properly while you are in it.
Otakar Zemek10 min read
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Transcript: Ota Zemek's discussion with AI about cold-water shock

While reviewing the website, AI challenged what I had written about experienced cold-water swimmers jumping into icy water. Rather than letting it rewrite the text automatically, I asked for a single well-documented case, followed by a precise examination of the studies behind its position. The outcome was more than a simple yes or no: it was a much clearer distinction between a measurable bodily response and clinically dangerous cold-water shock.
Otakar Zemek15 min read
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