Short-term effects of lower air temperature and cold spells on myocardial infarction hospitalizations in Sweden

In the September 24, 2024 issue of JACC, Dr. Ben Lee Nay and colleagues reveal that short-term exposures to lower temperatures and cold spells significantly increase the risk of myocardial infarction hospitalizations in Sweden. This nationwide study, utilizing advanced machine learning techniques, underscores the pressing need to address both extreme cold and heat in climate change mitigation efforts to better protect cardiovascular health.