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Health

Prevention, symptoms, sensible reactions: clear and cautious guidance. These articles inform, they do not replace medical advice.

Illustration: spotting heatstroke during a heatwave

Heatwave: how to spot heatstroke

Cramps, heat exhaustion or heatstroke: the three stages are not treated the same way. What to watch for.

Illustration: sleep, screens and blue light

Sleep and screens: what the research says

Blue light is not the whole story. Content, timing and notifications matter at least as much. The points of consensus.