In country after country, more women are dying from the heat than men. But researchers say biology isn't the main reason. Age, working conditions, and unequal access to rest may drive the gap.

More women die in heatwaves, but biology 'isn’t main cause

In country after country, more women are dying from the heat than men. But researchers say biology isn’t the main reason. Age, working conditions, and unequal access to rest may drive the gap.