Why women suffer more in the heat

• Women have a lower heat tolerance threshold than men due to smaller body size, lower sweat rates, and differences in thermoregulatory responses, making them more vulnerable to heat-related illness during heatwaves
• Hormonal factors, including menstrual cycle phase and menopause, can impair thermoregulation and increase heat stress susceptibility in women
• Clinicians should consider sex-specific risk factors when assessing heat illness severity and provide targeted preventive advice, particularly for women of reproductive age and those experiencing menopause

A look at evidence that women's bodies suffer more during a heatwave.

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