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Heat exhaustion Despite its name, heat exhaustion is not directly related to heat and is no longer considered as the first step towards the development of heatstroke. |  | First aid for heatstroke Heatstroke occurs in hot and humid conditions when the body fails to control its own temperature. It is a medical emergency. |  | Hypothermia: first aid Hypothermia, when the body's core temperature drops below 37°C, may result from prolonged exposure to cold conditions, especially in damp, wet or snowy weather. |
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