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Cut out an hour of sitting every day to slash your heart disease risk by 25%, study reveals

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A woman sits behind a height adjustable work station. Encouraging less sedentary time and shorter sedentary bouts in older women could have large public health benefits.
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Women who exercise have a drastically reduced risk of heart disease compared to those who sit for long periods, a new study finds.

Cutting sedentary time by just one hour a day decreased a woman’s risk of cardiovascular disease by more than 10 percent and heart disease by more than 25%.

Previous studies have shown that switching out sitting with physical activity reduces the risk of several illnesses including kidney disease, lung disease, liver disease, Alzheimer’s and even cancer.

But the team, led by the University of California, San Diego, says its study is the first to look at whether long periods of sitting raises the risk of cardiovascular disease.

‘Reductions of sedentary time do not need to happen all at once,’ said co-author Dr Andrea LaCroix, chief of epidemiology, family medicine and public health at UC San Diego.

‘I recommend to all women who, like me, are over 60, to make a conscious effort to interrupt our sitting by getting up and moving around as often as we can.’

More research is needed to understand why sitting is such a risk, but the team says it reduces the amount of venous and arterial blood that flows to the heart.

It also negatively impacts the endothelium, a layer of cells that line the surface of blood vessels.

According to Cedars-Sinai, endothelial dysfunction has been shown to be an indicator of heart attacks because the arteries are unable to dilate fully.

Heart disease is the biggest killer in the US and the leading cause of death for women aged 65 and older.

Additionally, nearly 68% of women between ages 60 and 79 have cardiovascular disease.

Because of this, the researchers are calling for public health officials to stress the importance of heart health among older women.

Read: You are likely to be poorer if you leave in a Kenyan city

‘Encouraging less sedentary time and shorter sedentary bouts in older women could have large public health benefits,’ said lead author Dr John Bellettiere, a research fellow of cardiovascular disease epidemiology at UC San Diego.

Story credit: Daily Mail

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editor [at] businesstoday.co.ke

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