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ALARMING: Climate Change is Tied to Rising Stroke Deaths in the US

Climate Change is Tied to Rising Stroke Deaths in the US

United States: Owing to intense weather fluctuations based on climate fluctuation are likely to be a contributing factor in the increasing number of stroke deaths.

Millions of deaths are linked to climate change – Reports

According to the latest report, cold fronts and heat waves having extreme temperatures are linked to about half a million deaths per year.

The researchers published the findings of the report in the journal Neurology on April 10.

Quan Cheng of Xiangya Hospital at Central South University in Changsha, China, and a researcher said, “Dramatic temperature changes in recent years have affected human health and caused widespread concern,” as US News reported.

“Our study found that these changing temperatures may increase the burden of stroke worldwide, especially in older populations and areas with more health care disparities,” said Cheng.

Extreme temperatures linked to more strokes

Visual Representation. Credit | Getty images

Bone-chilling cold fronts, in particular, were found to be linked to more stroke cases when analyzed by scientists.

It is known that temperatures that rise above the threshold level or drop below the threshold can double a person’s risk of stroke, according to the research.

Lowering temperatures can lead to constriction of the person’s blood vessels, and hence, blood pressure levels may go up. High blood pressure is a stroke risk factor of a primary rate.

On the other hand, higher temperatures thicken or slow the body’s blood due to dehydration and heat, which are also factors associated with stroke.

Cases of stroke-related deaths in the US

There has been a 26 percent rise in stroke-related deaths in the US from 2011 to 2021, as per the American Heart Association. As the researchers note, some of them could be linked to climate change factors.

How was the study conducted?

The researchers examined stroke mortality during the last 30 years in over 200 countries and territories and compared this data to local air temperature in the place the stroke occurred.

In 2019, approximately 521,000 deaths by stroke that have been attributed to the impact of temperatures that go below or beyond the normal range have been estimated by researchers.

Slightly less than half of the 474000 deaths analyzed were attributed to cold fronts, as the results indicated.

According to US News, Cheng added, “More research is needed to determine the impact of temperature change on stroke and to target solutions to address health inequalities,” and “Future research should aim to reduce this threat by finding effective health policies that address potential causes of climate change, such as the burning of fossil fuels, deforestation, and industrial processes.”

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