Pregnant woman sitting on a park bench in a light pink dress, holding a bottle of water.

Why heatwaves hit women harder

Biologically, women’s greater risk comes down to two things: the natural rise and fall of our hormone levels and our body’s response to heat, which are different to men’s, Dr Arif said. Women produce less sweat and start sweating at a higher temperature, research – including this 2025 study, external – shows. This impairs our…

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