The European heat will soon reach parts of Sweden with temperatures up to 35 degrees, according to SMHI. Petter Ljungman, cardiologist and researcher in environmental medicine at Karolinska Institutet, explains what happens in the body during extreme heat. – The heart must pump both faster and harder to maintain blood pressure. So there is a certain cost for that, he says.
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The doctor about the heat wave: “Can get really confused”
