Wednesday March 20, 2019

Being Fit in Middle-age May Not Offer You Protection From The Risk of CVD

Moreover, it is also important to practice moderation when it comes to exercise, Morrison noted

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Heart Disease
Even low exposure to arsenic, lead may up heart disease risk. Pixabay

While a lot of middle-aged adults have begun exercising, after realising its potential health benefits, new research claims that even the fittest among them are not immune to cardiovascular disease (CVD)– and they often do not have any symptoms.

The study, from the University of British Columbia (UBC) in Canada, highlights how important it is for middle-aged adults to have their doctor check their CVD risk factors, especially if they have high blood pressure, high cholesterol or a family history of CVD.

CVD refers to conditions that involve narrowed or blocked blood vessels that can lead to a heart attack, chest pain (angina) or stroke.

“We all know that exercise is good for us–it can help prevent a range of health problems and diseases, from cancer to depression,” said lead author Barbara Morrison, doctoral student at the UBC.

“However, even if you are really active, our findings suggest that you still can’t outrun your risk factors,” she added.

heart-rate
Heart Rate. (IANS)

For the study, published in the journal BMJ Open Sport and Exercise Medicine, the team followed 798 “masters athletes” — adults aged 35 and older who engage in moderate to vigorous physical activity — running to cycling, rowing and hockey — at least three days a week.

Of the 798 athletes, 94 (11 per cent) were found to have significant CVD. Ten participants were found to have severe coronary artery disease — a blockage in their artery of 70 per cent or greater — despite not having any symptoms.

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While the results may seem alarming, Morrison emphasised that it does not mean middle-aged adults should stop exercising.

Moreover, it is also important to practice moderation when it comes to exercise, Morrison noted.

“There is no evidence that pushing exercise to the limit will make you live longer or your heart stronger, but when taken to the extreme, it may have the potential to do harm,” said Morrison. (IANS)

Next Story

Avoid Cheese Omelettes For a Healthier Heart

The guidelines also include weekly egg consumption as part of a healthy diet

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US, cheesemakers
At the gala event to announce the winner at the U.S. Cheese Championship, ticket-holders got to sample dozens of cheeses, including the always-popular cheddar, in Green Bay, Wis., March 7, 2019. VOA

Do you savour cheese omelettes? If so, think again as consuming more eggs and dietary cholesterol may up the risk of cardiovascular disease (CVD) and death from any cause, researchers have warned.

The study suggests that egg yolks are one of the richest sources of dietary cholesterol among all commonly consumed foods. One large egg has 186 milligrams of dietary cholesterol in the yolk.

“The take-home message is really about cholesterol, which happens to be high in eggs and specifically yolks,” said co-author Norrina Allen, Associate Professor at the Northwestern University.

“As part of a healthy diet, people need to consume lower amounts of cholesterol.People who consume less cholesterol have a lower risk of heart disease,” Allen added.

For the study, which will be published in the journal JAMA, the team involved 29,615 adults from six prospective cohort studies for up to 31 years of follow up.

They found eating 300 mg of dietary cholesterol per day was associated with 17 per cent higher risk of incident cardiovascular disease and 18 per cent higher risk of all-cause deaths.

Cheesemakers, US
Guests at the U.S. Cheese Championship gala could help themselves to samples from a giant wheel of Swiss cheese that had been among the cheeses judged in the competition, in Green Bay, Wis., March 7, 2019. VOA

The cholesterol was the driving factor independent of saturated fat consumption and other dietary fat, the team said.

Eating three to four eggs per week was associated with 6 per cent higher risk of CVD and 8 per cent higher risk of any cause of death, they added.

The researchers say that eating less than 300 milligrams of dietary cholesterol per day was the guideline recommendation before 2015. However, the most recent dietary guidelines omitted a daily limit for dietary cholesterol.

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The guidelines also include weekly egg consumption as part of a healthy diet. An adult in the US gets an average of 300 milligrams per day of cholesterol and eats about three or four eggs per week.

Other animal products such as red meat, processed meat and high-fat dairy products (butter or whipped cream) also have high cholesterol content, said lead author Wenze Zhong from the varsity. (IANS)