health
Nutrition and diet
Preventive nutrition
Eating 3 eggs a week can shorten life expectancy
A study that followed Americans aged 50-71 for 16 years found that those who ate 3 eggs a week were at greater risk of dying early from cancer, heart disease and stroke
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Eggs
diet
healthy nutrition
Cholesterol
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health
Sunday, 14 February 2021, 08:16
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Surviving Death
Five different methods for separating eggs (Walla! Food system)
Eating 3 eggs a week may increase the risk of premature death, according to a new study.
The main problem lies in the yolk (yellow) which contains fat and cholesterol which increase the risk of getting cancer and having heart attacks and strokes.
The study, published in the journal PLOS Medicine, concluded that consuming 3 eggs a week increased the risk of death by almost a fifth.
More precisely, it found that those who consumed another 300 milligrams of cholesterol daily (in weekly consumption this amounts to an amount found in about 3 eggs) had a 19 percent higher risk of dying over a 16-year period.
The risk of dying from cancer increased by 24 percent while the risk of dying from heart disease increased by 16 percent.
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Following these findings, the researchers called on the public to consume more egg whites and less egg yolks, or switch to substitutes.
The study also found that there was a link between egg consumption and other medical conditions, including respiratory diseases, Alzheimer's and diabetes.
Increases the risk of mortality from cancer, heart disease and respiratory diseases.
Scrambled egg (Photo: ShutterStock)
Prof. Yu Zhang of Zhejiang University in China who was one of the leaders in this study said, "We found in a study that egg consumption and cholesterol consumption are associated with an increased risk of mortality in general and also specifically of cancer and cardiovascular disease. In fact, their cholesterol content. "
The effect of eating eggs on health is a matter that has been researched quite a bit over the years.
On the one hand, they have always been considered an important and healthy part of the diet.
On the other hand, there have always been shadows of suspicion in the context of cholesterol, especially.
Eggs are included in the dietary recommendations of many countries around the world, even though they contain (especially their yolk) high cholesterol levels.
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It is better to consume more egg whites and less of the yolk which contains fat and cholesterol.
Separation of eggs (Photo: ShutterStock)
"Our findings suggest that it is advisable to limit cholesterol intake from eggs and replace whole eggs by eating only egg whites or find other dietary substitutes that will provide protein, while at the same time promoting cardiovascular health and life expectancy in general," said Prof. Yu Zhang. .
Even half an egg can have a negative effect
The current study is based on an analysis of nutrition surveys in which more than half a million Americans aged 50-71 participated and is one of the largest of its kind.
The 521,120 participants in the survey were recruited for the study between the years 1995-1996 and the follow-up continued until 2011. During the follow-up period, 129,328 deaths occurred among the participants.
The researchers found in their calculations that even adding half an egg per day increases the risk of premature mortality for any reason by seven percent, and that replacing half an egg with egg proteins or another protein replacement (without cholesterol) reduced mortality from respiratory diseases, cancer and heart disease by 20, 8 and 3 percent, respectively.
Researchers recommend considering replacing eggs with other protein sources in the diet.
Chicken breast with rocket leaves and tomatoes (Photo: ShutterStock)
One of the problems noted by external researchers regarding this study is that it did not examine how the eggs were prepared and eaten.
"The researchers only tried to estimate how many eggs the study participants consumed each week, but they did not take into account whether those eggs were consumed as part of a saturated breakfast or in a Nisswaz salad," said Dr Dwayne Mallor, a senior lecturer at Aston University School of Medicine in the UK. The effects of the other foods consumed alongside the eggs were not fully taken into account.
"It is clear to everyone that eggs can be consumed as part of a high-fat and sugary menu, but also in a menu based on the Mediterranean diet, which is also rich in vegetables, for example," he said.
He added that the researchers' recommendation to consume fewer whole eggs and more The hypothesis about the effects of such a dietary change, and not actually tested in a clinical study,
Prof. Yu Zhang added that eggs also have health benefits due to the fact that they contain not only protein but also vitamins and other essential nutrients, which is why they are included In official US dietary recommendations.
But keep in mind that they do contain cholesterol and may have a decisive effect on the ability to prevent premature mortality.
"Physicians and nutritionists should pay attention to the findings of our research and refine the importance of limiting the dietary cholesterol consumed in their dietary recommendations."
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