Summary
Heat can become risky for them at lower temperatures.
Countries such as India, China, Pakistan and Bangladesh could see many older people at risk.
Three months of hot days and nights might happen if Earth gets hotter.
Key Points
5 points1
Older adults sweat less, so they stay hotter.
2
Their blood vessels react slower and hearts work harder in heat.
3
Heat risk starts at lower temperatures for older people.
4
Scientists used data from three age groups to find this.
5
Staying in shade, drinking water, and using fans can help.
New Words to Learn
10 wordsextreme
very, very strong
humidity
how much water is in the air
vulnerable
easy to get hurt
global warming
the Earth getting hotter over time
pre‑industrial
the time before many factories were built
exposed
out in the open where it can affect you
uncompensable
too hot for the body to handle
persist
to keep happening for a long time
highlight
to show something important
assessment
a careful check or study
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