Even as the climate warms, the cold is becoming a deadlier threat to Americans.

New research this month shows that cold-related deaths have significantly increased in the U.S. over the past two decades.

Extreme Weather Is Getting Deadlier

Extreme temperatures on either end of the thermometer can be life-threatening.

A new study shows that cold-related deaths have significantly increased in the U.S. since 1999.

A new study shows that cold-related deaths have significantly increased in the U.S. since 1999.© fhm via Getty

Between 1999 and 2022, there were just over 40,000 cold-related deaths in the U.S., the researchers found.

Much of this jump was the result of a significant annual increase in deaths between 2017 and 2022.

The teams findings werepublishedthis month in the journalJAMA.

Red New Zealand Alps

Climate change is known to raise the risk of both hot andcold extreme weather events, for instance.

Substance use and social isolation may also increase peoples risk of being exposed to unsafe conditions, temperature included.

Certain trends emerged in the teams data showing who was most vulnerable to cold-related deaths.

Hailstones

The authors say that more research has to be done to unpack exactly why cold-related deaths have been increasing.

News from the future, delivered to your present.

Volcano

Photo: Jemal Countess / Stringer

Brazil Agriculture AÇaÍ Palm Tree

Space Debris 2

Predator Badlands

Jblflip6

Eufysolocam

Alicia Witt in Urban Legend

Hp14

U.S. President Donald Trump speaks to the media during a guided tour of the John F. Kennedy Center for the Performing Arts before leading a board meeting on March 17, 2025 in Washington, DC.

Metaquest3s

Sharks

Predator Badlands

Jblflip6

Eufysolocam

Alicia Witt in Urban Legend

An image of a small disposable vape with a green case and mouth piece and visible oil in a clear container.

An image of a hand holding a black vape with a vibrant blue chamber where you can faintly see a laser.

Framework 13 Laptop 1 Hero

Samsung Odyssey 3d 6