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Eggs get a bad rap when it comes to raising blood cholesterol. Doctors have been warning for years that eating too much can harm your heart health, but research along the way has been mixed.
The modest-sized study, led by scientists at Duke University in Durham, North Carolina, found that people who ate 12 fortified eggs weekly for four months had lower blood cholesterol levels than those who ate two or fewer eggs. It turned out to be the same people. Any kind from week to week.
Why focus on enriched eggs?
“We wanted to add to the solid evidence of the effectiveness of fortified eggs, especially since unenriched eggs have been the subject of research for many years,” said study author and Duke Clinical Research Institute researcher. says one Nina Nowhravesh, MD.
Fortified eggs may be healthier than regular eggs because they are lower in saturated fat and rich in vitamins D, B, E, omega fatty acids and iodine, she noted.
Study included people with heart disease or at risk for heart disease
Dr. Nuhravesh and her team studied patients who were all over the age of 50 (average age 66) and who had had at least one previous cardiac event, such as a heart attack, or had risk factors for cardiovascular disease, such as high blood pressure. ) followed up on 140 adults. , high cholesterol, increased body mass index (BMI), or diabetes. Half were women. 27 percent were black.
At the end of the study period, the researchers found that the differences between the two groups in the levels of HDL “good” and LDL “bad” cholesterol were not statistically significant.
The researchers noted that participants in the fortified egg group actually had slightly lower HDL and LDL levels, with HDL at 0.64 milligrams per deciliter (mg/dL) and LDL at 3.14 mg/dL.
Patients want to know: Are eggs bad for the heart?
“I treat a lot of patients with cholesterol, so the issue of eggs comes up a lot,” says Dr. Parveen Garg, a cardiologist at Keck Medicine at the University of Southern California in Los Angeles. “I think what’s interesting about this study is that it shows that eating fortified eggs doesn’t actually have a negative effect on cholesterol.”
“But there is enough evidence to call into question the whole idea that the more cholesterol in your diet, the more cholesterol that shows up in your blood levels,” Dr. Garg says, explaining that dietary cholesterol is not the same as blood cholesterol. Emphasize that it is different.
He noted that saturated fat is likely to affect blood cholesterol, adding that eggs are lower in saturated fat than foods such as red meat and dairy products.
Research limitations and further research in the future
Nuhrabesh emphasizes that her study, as a pilot study, has some limitations. Participants provided information about their dietary intake (such as daily calories, protein, and saturated fat) that showed similarities between the two groups, but details were lacking.
Additionally, egg preparation was not considered in this study. Some subjects may have fried their eggs in butter to increase the saturated fat, while others may have simply boiled them.
The study also did not take into account the subjects’ exercise therapy or drug therapy, which could be a contributing factor.
The research was funded by Egglands Best, a company that manufactures and sells fortified eggs. It is unclear whether the results of this test apply to unfortified eggs.
Nouhravesh suggested that some of the study’s findings require further investigation.
“Current trials have found potential benefits. [of fortified eggs] “We think this is very exciting data that should be further investigated in larger trials,” she says.
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