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Extreme
has a harsher effect on older people than doctors
thought. Researchers in the USA have said that the body's
for heat goes down in older people. The continuing
in global temperatures could increase the
of illness or death for those aged 60 and over. The threat of rising temperatures to the over-60s has been
underestimated. The researchers said heatwaves will put
of older people at risk of heat stress. This is when the
loses its ability to cool
. It can damage the body and can even lead to
.
