A recent observational study published in Nature Communications Medicine by researchers in Brazil reveals that intense solar storms, episodes when Earth’s magnetic field is disturbed, are associated with a surge in heart attack admissions, especially among women. The researchers from the National Institute for Space Research (INPE) matched hospital records of myocardial infarction over several years with geomagnetic activity data using the Kp-Index, finding that heart attack rates and in-hospital deaths both increase on days of elevated solar activity. Women in middle and older age groups showed notably higher risk. The discovery brings attention to an unexpected link between space weather and cardiovascular health, suggesting prevention strategies may need to include awareness of externa

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