Extreme heat is behind 7.3 per cent of the heart disease burden in Australia, a ground-breaking study has found.

"Our study shows that exposure to encapsulated heating methods, like water-perfused suits or hot ... To cool down, the body increases blood flow to the skin, leading to higher heart rates and ...

Mr. Sun is turning up the heat in Australia, increasing the risk of heart disease ... He said: “When the weather is hot, our hearts have to work harder to help us cool down.