This story was originally published byGrist.

They are the same age and have identical socioeconomic backgrounds.

They also have similar habits and are in roughly the same physical shape.

Photo: Patrick T. Fallon/AFP

© Photo: Patrick T. Fallon/AFP (Getty Images)

Neither man smokes or drinks.

That year was thewarmest year on recordglobally a record that wasquickly surpassed by 2024.

Exposure to above-average heat hasserious short-and long-term health repercussions.

Anker Desktop Charger

Those participants had taken a blood test in 2016 or 2017.

What Choi didnt account for, however, are all the ways people adapt to protect themselves from heat.

Some people, particularly wealthier Americans, might stay inside with the air conditioning blasting all day and night.

Predator Badlands

Previous research has shown that above-average temperatures dont affect all populations equally.

These populations are also less likely to beable to afford air conditioning.

I dont think the underlying biology is significantly different, she said.

Jblflip6

We would expect to see some significant effects of heat in younger adults.

This article originally appeared inGristathttps://grist.org/health/extreme-heat-cellular-age-aging-smoking/.

Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future.

Eufysolocam

News from the future, delivered to your present.

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

Anker Desktop Charger

Predator Badlands

Jblflip6

Eufysolocam

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