To find out more about how extreme heat affects the body and how to stay safe in a heatwave, read ajmurugesu’s full explainer:
Do you get more used to heat if you grow up in a hot country?
Anyone can physiologically adapt to hot weather over the course of several days – this is termed acclimatisation. Someone who is acclimatised to the heat will sweat and also secrete sweat with a lower salt concentration. This helps maintain the body’s salt balance. The rate of skin blood flow will also increase to maximise the transfer of heat to the environment.Drink lots of fluids and stay in the shade for as much of the heatwave as possible. During the day,
. Wear sunscreen to protect your skin from UV light and put on loose-fitting clothes to keep cool. You should also avoid physical exercise outside during the hottest times of the day.Heat exhaustion occurs when your body loses excessive amounts of water and salt. This can cause headaches, dizziness and fast breathing.
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