HELSINKI AND LONDON — A new study reveals that extreme temperatures hit vulnerable populations far harder than previously understood, extending well beyond direct medical illness to intertwine with socioeconomic inequality.
Researchers analyzing data from 285,444 adults in Finland and the United Kingdom found that excess mortality linked to extreme heat and cold was more than ten times higher among individuals facing both pre-existing medical conditions and socioeconomic disadvantage. Those who carried only one vulnerability, or neither, experienced significantly lower risks.
The findings highlight how social and economic factors compound health risks during extreme weather events. Furthermore, climate modeling conducted as part of the research indicates that if global warming increases from approximately 1°C to 4°C, the proportion of deaths attributable to extreme temperatures could surge from around 1% to more than 5% in both nations.
Experts note that addressing future climate-related mortality will require public health strategies that account for socioeconomic disparities alongside underlying health conditions.
