Research Square
Extreme heat linked to greater death risk at older ages in Brazil
Comparing extreme heat with less-hot days, the first-week relative risk of death was 1.119 below 65 and 1.329 at 85 or older.Comparing extreme heat with less-hot days, the first-week relative risk of death was 1.119 below 65 and 1.329 at 85 or older.
Preprint: study in peoplePopulations
Who was studied11,038,656 people who died from natural causes, 2014 to 2024, against people below 65 years
What changedFirst-week heat-related death risk rose with age: relative risk 1.119 below 65 versus 1.329 at 85 or older
The catchDeaths brought forward could be offset by fewer deaths after 21 days