Pros and cons of egg yolk
Egg yolks have a number of positive qualities. The yolk of
an egg has a higher concentration of iron, folate, and vitamins than the egg
white does. Lutein and zeaxanthin, two additional minerals found in egg yolks,
improve the health of the eyes and the brain.
However, since egg yolks are a dietary source of
cholesterol, egg-white omelets, cookies, and other yolk-free foods have
recently taken over the breakfast plates and baking sheets of health-conscious
consumers. Experts have previously stated that dietary cholesterol is bad news,
particularly for heart health.
In contrast, dietary cholesterol appears to have been
unfairly demonized by the medical profession, even as the most recent evidence
has given dietary fat a pass and an embarrassed apology.
Dr. Luc Djoussé, a professor emeritus and heart disease
researcher at Harvard Medical School and Brigham and Women's Hospital, asserts
that high levels of dietary cholesterol do not correspond to high levels of
blood cholesterol.
Djoussé has studied the relationship between eggs and heart
disease. In regards to egg eating, including egg yolk, he claims that
"current scientific findings do not support concerns."
The most recent Dietary Guidelines for Americans do not set
a limit on dietary cholesterol, which appears to be a consensus among national
health professionals.
According to a new study published in the American Journal
of Clinical Nutrition, eating an egg every day is not harmful, even for those
whose genes put them at higher risk for heart and cholesterol problems. Dr.
Jyrki Virtanen of the University of Eastern Finland, the study's author, claims
that his research is the most recent to demonstrate that focusing on a single
feature of food, such as the cholesterol in eggs, is not a trustworthy way to
assess that item's health effects.
Others concur. The University of Colorado School of
Medicine's program chair and professor of medicine, Dr. Robert Eckel, asserts
that "our focus should be on good dietary patterns, not specific foods or
substances." Eggs and cholesterol were the subjects of a recent editorial
by Eckel. He claims that when discussing his patients' risk factors for heart
disease, he doesn't even mention eggs.
He claims that because they are so well-liked and were once
maligned, eggs attract a lot of attention. "But I'm far more worried about
individuals eating more fruits and vegetables and following a healthy dietary
pattern like a Mediterranean-style diet or the DASH diet," the author
said.
You shouldn't consume five eggs for breakfast every day, according
to Eckel and Virtanen. They claim that consuming too much of one food is
foolish.
There are still some unanswered questions regarding how
eating eggs affect diabetics' hearts. According to some research, people with
type 2 diabetes who consume more eggs may be at an increased risk for coronary
heart disease, according to Virtanen.
How many eggs can you eat before feeling the effects? It's
challenging to elicit details of that nature. But according to Virtanen, his
study's "one egg per day" findings were an average over several days,
so even if you occasionally eat a three-egg omelet, as long as you keep close
to that average, you probably have nothing to worry about.
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