Blood Sampling And Analysis
Blood samples were taken in duplicate on consecutive days after the run-in period and at the end of each intervention period from fasting study subjects. Values from each set of samples were averaged. Besides fasting for 12 h, study subjects were asked to refrain from smoking for 12 h as well as from performing any extreme sports for 36 h. Furthermore, study subjects were asked not to drink alcohol or take medicine for 24 h before the blood sampling.
Blood samples were drawn for measurements of serum blood lipids , hsCRP, serum insulin, and plasma glucose. Blood samples for measurement of blood lipids, hsCRP, and insulin were collected into dry tubes, and samples for glucose were collected into tubes with a 1 × 3 mLfluoride citrate mixture. Blood samples were kept at room temperature for 30 min to coagulate. Subsequently, samples for measurements of blood lipids, hsCRP, and insulin were centrifuged at 2300 × g for 10 min at 4°C and stored at 80°C until analyzed. Samples for glucose were centrifuged at 2300 × g for 10 min at 20°C and stored at 80°C until analyzed.
Serum C-reactive protein concentrations were measured by using a latex immunoturbidimetry analysis . Serum CRP concentrations were analyzed by using an ABX Pentra 400 Chemistry Analyzer . Interassay and intra-assay CVs for CRP were 6.5% and 1.9%, respectively.
Insulin resistance was calculated by using HOMA with the following formula :
What Does The Evidence Say
- Replacing saturated fat with polyunsaturated fat decreases LDL cholesterol cholesterol and the total/HDL cholesterol ratio
- The World Health Organization found convincing evidence that substituting saturated fat with polyunsaturated fat reduces the risk of heart disease
- It has been estimated that replacing 5% of energy from saturated fat with polyunsaturated fat reduces risk of heart disease by 10%
- Replacing saturated fat with refined carbohydrate foods does not have any heart health benefits.
How Much Saturated Fat Do Kiwis Eat
- For your heart, we recommend limiting saturated and trans fat* intake to 8% of total energy.
- The latest adult national nutrition survey tells us that on average, our saturated fat intake is higher than recommended at 13% of daily energy.
* New Zealand margarines are typically very low in trans fat. Currently New Zealanders eat well below the upper levels of trans fat recommended by the World Health Organisation
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Is Lurpak Butter Good Or Bad For You
Is Lurpak good for you? It isnt as good for you as having no butter at all might be. It has fewer complex fats in it than many margarines, which rely on trans fats and hydrogenated vegetable oils. The fat level in Lurpak Butter is high, as it will be with all butters. However, it is better for you than processed fats since the ingredients are simple.
Butter is generally high in calories so it should be consumed in moderation to avoid weight gain but spreadable versions, especially the lighter variations, are lower in calories. This makes the lighter version of Lurpak better for those on a diet or seeking to lose weight.
Lastly, Lurpak is reasonably low in salt when compared to other butters. However, if you are watching your salt intake, they do offer the unsalted version. Those trying to lower their blood pressure, who have kidney diseases, or who are dealing with heart disease, may want to opt for the unsalted version instead.
To conclude, Lurpak is not bad for you if you use it in moderation and opt for the lighter version if you are watching your weight.
wejustcompare team
Misconception: Diet And Physical Activity Dictate Your Cholesterol Level
Diet and physical activity do affect overall blood cholesterol levels, but so do other factors.
Being overweight or obese tends to increase bad cholesterol and lower good cholesterol . Getting older also causes LDL cholesterol to rise. For some, heredity may play a role.
So, a heart-healthy diet and regular physical activity are important to everyone for maintaining cardiovascular health.
Understand the sources of cholesterol.
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A Difference Of Opinion
It was against this backdrop that the 2014 Annals of Internal Medicine study created such a stir. The article discussed the results of a meta-analysis, a type of statistical analysis that gathers data from many different studies and crunches them together. Hu first learned of the Annals meta-analysis a few days before it was published, whenThe New York Times sent him a copy and asked for comment. At the same time, Willett got a call from an NPR reporter questioning the studys results, especially the conclusion that eating more polyunsaturated fat failed to lower the risk for heart disease.
I knew something was fishy, says Willett. He requested a data supplement from the journal and noticed that the authors had pulled incorrect numbers from some of the original studies, including the long-running Nurses Health Study, which Willett helps direct. Willett also saw what seemed to him to be another problem: the authors had omitted important studies from their analysis. Adding to the complications: One of the studys authors was a respected colleague in HSPHs Department of Nutrition: Mozaffarian, who was then still an associate professor at the School.
He adds: Frank Hu had published nearly identical findings in 2010 in the American Journal of Clinical Nutrition, demonstrating that people who eat the highest levels of saturated fat have the same risk of heart disease as those who eat the lowest.
Organic Cows Milk And Cholesterol
Whole cows milk contains 146 calories, 5 grams of saturated fat, and 24 milligrams of cholesterol in a 1 cup or 8 ounce serving. Its a tremendous and nutrients, contains essential vitamins and minerals, and provides a third of a persons daily recommended intake of calcium, Krivitsky says. Cows milk also contains potassium, which may help prevent high blood pressure . Whats more, a study published in December 2013 in the journal PLoS One found that organic cows milk contains significantly more anti-inflammatory omega-3 fatty acids than conventional milk, which is important because omega-3s promote heart health.
But when it comes to your cholesterol levels, high-fat dairy could get you into trouble, says John Day, MD, cardiologist and medical director at Intermountain Heart Rhythm Specialists in Salt Lake City. Saturated fat in your diet raises LDL cholesterol, which increases your risk of heart disease and stroke, according to the American Heart Association. If you drink cows milk, most doctors recommend low-fat or nonfat versions. A 1-cup serving of skim milk has 83 calories, no saturated fat, and only 5 mg of cholesterol.
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How Is Cholesterol Measured
Most people with high cholesterol feel perfectly well and often have no symptoms. The best way to find out if your cholesterol is high is to have a blood test .
Visit your GP to determine whether you need to lower your cholesterol level and what action to take.
GPs can also do a heart health check, that calculates your heart disease and stroke risk.
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Reasons Why Butter Is Good For You
SPECIAL FROMGrandparents.com
When we think of a healthy diet, there is one thing almost everyone believes to be true: Butter is bad. Whether they’re considering their arteries or their waistline, butter has gotten a bad rap for the past 50 years. But times, they are achangin, and dairy products like butter are becoming increasingly nutrient-rich, thanks to the growing grass-fed cow industry. Research has found that feeding cows grass rather than corn or grain not only produces leaner, more nutrient-rich meat, but also more vitamin- and mineral-dense milk, meaning healthier butter.
Now, thats not to say that butter doesnt have its issues. Its still high in saturated fat and shouldnt be consumed in large quantities particularly if youre prone to high cholesterol or at risk for heart disease but these lesser-known benefits may help you feel less guilty when you indulge in a golden pat or two:
1. It’s Filled with Immune-Boosting Vitamins Spreading butter on your morning toast may not only improve your bodys immunity, but also help reduce cancer cell growth and increase red blood cell production thanks to vitamins A and D. One tablespoon of butter contains 7 percent and 2 percent of your daily values of vitamins A and D, respectively. Plus, because both vitamins are fat soluble, butter is a prime vehicle for aiding absorption of nutrients in the body.
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Rich In Vitamins And Minerals
Butter contains many vitamins and minerals that support optimal health.
The vitamin D in butter can increase the absorption of calcium and strengthen bones and teeth. Vitamin D can also enhance your immune function and reduce your risk of cancer and hypertension.
Butter contains the following nutrients that are essential for fertility :
- vitamin B12,
- selenium
- iodine.
One study found that adding one serving of a full-fat dairy product like butter to your daily diet can reduce the risk of infertility by over 50%.
Vitamin K2 in butter may prevent the buildup of plaque in the arteries. One study found that vitamin K2 supplementation for 270 days reduced the progression of atherosclerosis in people with chronic kidney disease stages 3-5.
Butter is a great source of easily absorbable vitamin A. Vitamin A supports many bodily functions including vision, thyroid gland function, immune function, and endocrine function.
Yet, although butter contains many essential vitamins and minerals, it may not have a large impact on your total nutrient intake because you usually consume it in small amounts. Unless of course, youre on a high-fat low-carb diet.
For Individuals Who Appreciate Butter Are There Any Healthier Recommended Ways To Consume It
Butter is not recommended for seasoning any dish, frying or stir-frying. It is especially not recommended forimproving the palatability of food. It is best to eat butter fresh, without subjecting it to high flame cooking. A healthy individual can choose to use butter to prepare traditional sweets, breakfast for the whole family, occasionally in combination with bread and jam or small amounts for thickening risotto. Moderation is always the best approach.
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Unsaturated Fats In Peanut Butter
While peanut butter contains saturated fat, it also contains high levels of unsaturated fats. These help lower LDL, making many nuts and nut products, including peanut butter, a heart-healthy food.
Unsaturated fat comes in different forms.
Monounsaturated
Studies have shown that monounsaturated fats reduce LDL and have a protective effect on the heart. Peanut butter is a good source of this type of fat.
Other sources include:
- Nuts such as almonds, cashews, pecans, and peanuts
- Olive oil and olives
- Peanut oil
Monounsaturated fats and polyunsaturated fats help lower LDL and have heart-protecting properties.
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Butter And Cheese Do Not Clog Up Arteries Scientists Claim
eart experts have claimed it is plain wrong to believe that saturated fats in butter and cheese clog up arteries.
Three medics argued that eating “real food”, taking exercise and reducing stress are better ways to stave off heart disease.
There is little evidence linking saturated fat consumption with heart disease, diabetes and premature death, they claimed, despite NHS warnings.
The authors, led by Dr Aseem Malhotra, from Lister Hospital, Stevenage, wrote: “Despite popular belief among doctors and the public, the conceptual model of dietary saturated fat clogging a pipe is just plain wrong.”
They said relative levels of “good” cholesterol, or high density lipoprotein , were a better predictor of heart disease risk than levels of low density lipoprotein , also known as “bad” cholesterol.
High consumption of foods rich in saturated fat such as butter, cakes and fatty meat has been shown to increase blood levels of LDL.
The experts wrote: “It is time to shift the public health message in the prevention and treatment of coronary artery disease away from measuring serum lipids and reducing dietary saturated fat.
“Coronary artery disease is a chronic inflammatory disease and it can be reduced effectively by walking 22 minutes a day and eating real food.”
Is Cheese Better Than Butter For Heart Health
By Andrew M. Seaman, Reuters Health
4 Min Read
NEW YORK – Doctors and nutritionists have long recommended avoiding all animal fats to trim cholesterol, but Danish researchers report that cheese may not be so bad, and probably shouldnt be lumped in the same category with butter.
Their study, published in the American Journal of Clinical Nutrition, found that people who ate daily servings of cheese for six-week intervals had lower LDL, or bad cholesterol, than when they ate a comparable amount of butter. The cheese-eaters also did not have higher LDL during the experiment than when the same subjects ate a normal diet.
Dr. Elizabeth Jackson, assistant professor of medicine at the University of Michigan Health Systems, told Reuters Health that the study was well done, but does not really change what cardiologists currently recommend.
We want people to have a diet focused on whole grains and vegetables and moderate fats, said Jackson, who was not involved in the work.
The researchers, from the University of Copenhagen in Denmark, set out to learn what effects cheese and butter had on heart disease risk factors, such as HDL, or good cholesterol, LDL and total cholesterol levels.
The researchers followed about 50 people who answered ads in local newspapers. Each person was put on a controlled diet and added a measured amount of cheese or butter daily.
Throughout, each participant was compared against his or herself, to follow the changes in the body caused by the foods.
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What Are The Worst Foods For Bad Cholesterol
- Full-fat dairy. Whole milk, butter and full-fat yogurt and cheese are high in saturated fat.
- Red meat. Steak, beef roast, ribs, pork chops and ground beef tend to have high saturated fat and cholesterol content.
- Processed meat.
- Cheese, cream, sour cream, and ice cream.
- Bacon, ham, sausage, and other processed meats.
Is Butter Good For You What The Research Says
Most research shows that butter is healthy if eaten in moderation. Whats more, butter is even linked to a variety of health benefits.
For instance, a review of 16 studies found that the consumption of high-fat dairy products like butter can lower your risk of obesity.
One large study reported that men and women aged 45-75 years who regularly consume dairy fat may have a reduced risk of a heart attack.
Another large review including more than 3.6 million people found that high-fat dairy products are not associated with any causes of mortality. Additionally, one study found that a daily serving of 14 grams of butter may lower your risk of type 2 diabetes by 4%.
Despite a vast selection of positive studies, there are a few studies showing that butter may have negative consequences. One review found small or neutral associations of butter with obesity, heart disease, mortality, and diabetes. These findings may be due to the dietary inclusion of refined grains, starches, and sugars.
Its also possible that people who eat a lot of butter dont heed other nutritional and lifestyle advice. Their lifestyles may have many other factors that are far worse for their health than butter-like smoking, drinking, lack of exercise, and consumption of processed foods. When considered in this light, butter may be even better for our health than even the positive studies show.
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Okay So Margarine Is Not Healthy
But what about those buttery spreads that say they are full of good polyunsaturated oils?
Its true that some intake of polyunsaturated fatty acids are important to our health , but excessive intake is actually linked to chronic disease. Its really about balance. Ive read that the ideal ratio is 3:1 Omega-6 to Omega-3, but some research indicates that the ideal ratio might actually be closer to 1:1. Regardless, we are not even close, as most people eat far higher ratio of Omega-6 fatty acids to Omega-3s.
In fact, excessive consumption of these oils is actually linked to cancer, heart disease, damage to bodily organs, impaired growth and obesity .
The Dietary Guidelines For Americans Summarized
Heres a summary of the 2015-2020 Dietary Guidelines for Americans:
Avoid industrial trans fats.
Replace saturated fats with polyunsaturated fats, and aim to get less than 10% of your calories from saturated fats.
Reduce calories from solid animal fats with plant oils when possible.
Prioritize seafood , lean meats, poultry, eggs, legumes , nuts, seeds, and soy products over red and processed meats as sources of protein.
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