‘The heat will get hotter, the sleep less’, the study will increase the death rate due to heat six times in the future

Climate change-related death rate may increase Heat-related deaths could increase sixfold by the end of the century, according to the report.

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America, First Published Aug 10, 2022, 1:46 AM IST

Climate change-related death rate may increase Heat-related deaths could increase sixfold by the end of the century, according to the report. This is stated in a study published in The Lancet Planetary Health Journal. According to researchers at the University of North Carolina in the US, atmospheric heat at night may disrupt the normal physiology of sleep itself.

Lack of sleep can impair the immune system itself and contribute to cardiovascular disease, chronic diseases, and mental health conditions. According to the study, the average temperature of the hottest night in 28 cities in East Asia will change from 20.4 degrees Celsius to 39.7 degrees Celsius by 2090.

The Paris climate agreement aims to limit global warming to well below two degrees Celsius. The results suggest that warming from climate change could have troubling consequences when tested.

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Researchers looked at heat-related deaths in 28 cities in China, South Korea and Japan between 1980 and 2015. Measures taken by respective national governments regarding carbon reduction were also discussed. Between 2016 and 2100, the risk of death due to excessively hot nights is estimated to increase sixfold. This estimate is much higher than the daily average heat-related death rate suggested by climate change models.

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The researchers also found that regional differences in temperature accounted for much of the variation in nighttime temperatures, with the researchers predicting that regions with the lowest average temperatures would have the greatest potential for warming.

Last Updated Aug 10, 2022, 1:46 AM IST

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