Everyone has felt the exhaustion and dehydration that comes with spending too much time in the heat. But research shows that the impact of being exposed to extreme heat goes beyond heat waves: consistent exposure to high temperatures might also be making you age more quickly.

A new study, published Aug. 26 in the journal Nature Climate Change, found that repeated exposure to heat waves was linked to accelerated aging and increases vulnerability to health issues. The more extreme heat events an individual was exposed to, the more their bodies aged.

Researchers analyzed medical data from nearly 25,000 people in Taiwan over the course of 15 years: between 2008 and 2022, when the region experienced 30 heat waves (defined by the researchers as a “period of elevated temperature over seve

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