2023 saw a 20% increase in US ER visits for heat-related illnesses, with the majority occurring between May and September.

2023 saw a rise in heat-related ER visits in the US, with the CDC reporting 119,605 visits due to heat-related illnesses, a 20% increase compared to the previous five years. The majority of these visits, 92%, occurred between May and September. Record-breaking temperatures in 2023 exposed more people to extreme heat for longer periods, with men and people aged 18-64 experiencing higher rates of heat-related ER visits.

April 18, 2024
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