A recent investigation by NPR has uncovered a significant discrepancy between official counts and actual deaths from heat in the U.S. The investigation, which spanned 2 years, reveals that heat-related deaths are more frequent than initially reported.

The reasons behind this hidden toll are explored, along with potential ways to save lives. Further details on the investigation's findings are available from the source.

More information can be found through the investigation, which delves into the issue of heat-related deaths and possible solutions to mitigate this problem.