Barcelona Institute for Global Health (ISGlobal) May 8 2026 Regions with greater socioeconomic inequalities are more affected by cold weather, whereas areas with higher levels of wealth and urbanization are at greater risk during heatwaves and lower risk during cold spells. This is shown by a study led by the Barcelona Institute for Global Health (ISGlobal), a centre supported by the "la Caixa" Foundation. The results, published in  Nature Health , for the first time quantify across the urban