A doctor appeared on Good Morning Britain to warn Brits of the dangers of the high temperatures including heat exhaustion.
Deputy Chief Medical Officer for England, Dr Thomas Waite, appeared on the ITV talk show to chat to hosts Ed Balls and Ranvir Singh about the record breaking heatwave. The Met Office has issued red and amber weather warnings across the nation, urging people to keep safe in the sun.
The doctor said: "We're looking at some record breaking heat over the next couple of days according to the Met Office forecasts. When it's hotter outside in the air than it is inside your body, your body works quite hard to stay at about 37C year round no matter the weather or the temperature, that's really quite hard work for your body to lose the heat that it generates."
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He added: "You lose most of your heat through your skin, you sweat to try and keep your body temperature down. It's that combination of hard work that can lead people, particularly people with existing cardiovascular problems, to run in to trouble.
"But there are straight forward ways to prevent that such as simply making sure you're keeping well hydrated, staying in the shade and cooling off. All of those help to prevent that ill health and in these exceptional days it's really about looking out for each other as well as looking after yourself."
Dr Waite said: "Most people who are in good health will run in to no difficulties if they're careful with their fluid intake and taking steps to keep cool and keep in the shade during the heat of the day. But some people will run into more difficulties.
"The combination of fluid loss from sweating and hard work from your heart pumping to get more blood to your skin can lead to a range of symptoms such as excessive sweating, cramps, nausea and vomiting and dizziness. That's a set of symptoms caused by heat exhaustion.
"That's quite easily treated so if you find someone experiencing those symptoms get them into the cool, get them into the shade and get them some fluid to rehydrate. It can be water, sports drinks or rehydration fluids. Most people will make a recovery in 30 minutes or so."
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