A recent investigation found that heat-related deaths in the U.S. are occurring more frequently than official counts indicate. The investigation, which spanned two years, uncovered a significant hidden toll of heat-related fatalities.

The reasons behind this discrepancy and potential ways to prevent such deaths are being explored. Further details on the investigation's findings are available. More information can be found through the source, which delves into the issue of heat-related deaths and possible solutions to mitigate this problem.