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High thyroid hormone levels may up heart disease in elderly

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November1’2017:  Older adults with higher levels of a thyroid hormone may be at an increased risk of artery disease and consequent death, according to new research.

Free thyroxine (known as FT4) is a hormone produced by the thyroid gland that helps control the rate at which the body uses energy.

The findings showed that elderly with high levels of FT4 hormone may be at twice the risk of having high levels of coronary artery calcification scores, which may be an indicator of atherosclerosis — the process of progressive thickening and hardening of the walls of arteries from fat deposits on their inner lining.

“We expected that thyroid function would influence the risk of developing atherosclerosis by affecting cardiovascular risk factors such as blood pressure.

“However, our results remained very similar after accounting for several cardiovascular risk factors,” said lead author Arjola Bano, from Erasmus University in the Netherlands.

“This suggests that mechanisms other than traditional cardiovascular risk factors may play a role,” Bano added.

Further, increasing FT4 levels were associated with 87 per cent greater risk of suffering an atherosclerosis-related cardiovascular event as well as double the risk of atherosclerosis-related cardiovascular death.

“Our findings suggest that thyroid hormone FT4 measurement can help identify individuals at increased risk of atherosclerosis,” Bano said.

For the study, detailed in the journal Circulation Research, the team analysed data from 9,420 participants with an average age 65.

They looked at data on two types of hormones: thyroid-stimulating hormone and free thyroxine (known as FT4) and their link to atherosclerosis and death due to coronary heart disease, cerebrovascular disease or other artery-related illness.(IANS)

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Eating Eggs May Keep Heart Diseases Away

If you thought eating eggs is bad for your heart due to their high cholesterol content, think again. A large study has now shown that people who consume an egg every day could significantly reduce their risk of cardiovascular diseases.

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People suffering from diabetes may finally eat eggs daily without a pinch of guilt. A new study suggests that eating up to 12 eggs a week does not increase cardiovascular risk factors in people with pre-diabetes or Type-2 diabetes.
egg tray, Pixabay

If you thought eating eggs is bad for your heart due to their high cholesterol content, think again. A large study has now shown that people who consume an egg every day could significantly reduce their risk of cardiovascular diseases.

“The present study finds that there is an association between moderate level of egg consumption (up to one egg/day) and a lower cardiac event rate,” the study authors said.

The researchers pointed out that eggs are a prominent source of dietary cholesterol, but they also contain high-quality protein, many vitamins and bioactive components such as phospholipids and carotenoids.

Cardiovascular disease (CVD) is the leading cause of death and disability worldwide mostly due to ischaemic heart disease and stroke (including both haemorrhagic and ischaemic stroke).

For the study, published in the journal Heart, Chenxi Qin from Peking University Health Science Centre in Beijing, and colleagues set out to examine the associations between egg consumption and cardiovascular disease, ischaemic heart disease, major coronary events, haemorrhagic stroke and ischaemic stroke.

heart attack
representational image. pixabay

They used data from the China Kadoorie Biobank (CKB) study, an ongoing prospective study of around half a million (512,891) adults aged 30 to 79 from 10 different geographical areas in China.

The researchers focused on 416,213 participants who were free of prior cancer, cardiovascular disease (CVD) and diabetes.

Analysis of the results showed that compared with people not consuming eggs, daily egg consumption was associated with a lower risk of CVD overall.

In particular, daily egg consumers (up to one egg per day) had a 26 per cent lower risk of haemorrhagic stroke, a 28 per cent lower risk of haemorrhagic stroke death and an 18 per cent lower risk of CVD death.

Also Read: Eating Fish Twice a Week Reduces the Risk of Heart Failure

In addition, there was a 12 per cent reduction in risk of ischaemic heart disease observed for people consuming eggs daily, when compared with the ‘never/rarely’ consumption category — about 2.03 eggs per week.

This was an observational study, so no firm conclusions can be drawn about cause and effect, but the authors said their study had a large sample size and took into account established and potential risk factors for CVD. (IANS)

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