To mention that eggs have been in the news lately would be a laughable understatement. For approximately the past three months they have been on everybody’s mind, and even that is far from being the whole picture. For EatThis.com, Sarah Garone and Olivia Tarantino wrote:
If there’s any food fraught with a tug-of-war over its healthfulness, it’s eggs. Over the years, eggs have been viewed as everything from an example of the perfect whole food to a dreaded harbinger of heart disease.
Too many eggs can bring on an undesirable effect: too much cholesterol. The authors note that nutritional guidelines no longer mention a specific cholesterol limit, but recommend that consumption of it be “as low as possible.” On the other hand, a spectacularly large study (half a million adult Chinese subjects) revealed that “up to one egg per day actually decreased the chances of developing cardiovascular disease.”
But with more, the benefits drop off precipitously. The people of China are known for their per-capita egg consumption, and collectively they account for around 400 billion eggs per year.
A recent article from ScienceDirect.com delved into the effect on obesity of the various nutrients found in eggs. Some of them actually play a role in regulating lipid metabolism in ways that prevent obesity. Apparently, it is not even certain that the consumption of egg cholesterol increases human blood cholesterol. When it comes to diabetes risk, the jury is still out.
As for weight gain, eggs seem to suffer from a certain amount of guilt by association. People like to eat them with bacon, sausage, hash-brown potatoes, and other unwise choices. Some helpful suggestions in this area include studying up on heart-healthy cooking fats, and combining eggs with vegetables.
What is going on, anyway?
A review published at around the same time in the journal Poultry Science looked at a meta-study that had reviewed two decades of nutritional literature and found that most of the nutrients in eggs are not obesogenic but surprisingly appear to “reduce the probability of obesity via lipid metabolism regulation.”
However, there seems to be an exception among “high responders,” or individuals who are particularly prone to significant changes in their cholesterol levels because they metabolize it either more or less effectively. The body of course needs the stuff, but normally our own livers produce enough of it. There seems to be a feeling that more research in this area would be welcome.
Leaving that aside, “[E]ggs are one of the healthiest sources of protein, essential amino acids, and micronutrients beneficial to human health.” Not surprisingly, the cooking method makes a noticeable difference, with soft-boiled eggs being the safest bet.
In “9 Steps to Perfect Health,” Chris Kesser has noted that nutrients in animal products like fish, meat, poultry, dairy, and eggs are highly bioavailable, meaning that we can absorb them easily. Pasture-raised animals are known for their nutrient-dense meat, while pasture-raised hens make eggs that contain as much as 10 times more omega-3 than factory hen eggs, as well as being noticeably higher in B12, folate, vitamin A, protein, and fat-soluble antioxidants like vitamin E.
Can we agree to disagree?
The consensus seems to be that eggs are great for just about everyone, except people troubled by diabetes or cardiovascular disease. But even for folks who do not have to deal with those conditions, there is still such a thing as too many. Agreement seems to have settled on the notion that an average of one egg per day is reasonable, although they can be distributed throughout the week as multiple eggs on some days, and none on others.
Some authorities are even okay with healthy folks eating 10 eggs per week, although cholesterol-sensitive individuals need to tone it down. For those who forego the yolks, two egg whites count as the equivalent of one whole egg.
Your responses and feedback are welcome!
Source: “ 5 Dangerous Side Effects of Eating Too Many Eggs, According to Science,” EatThis.com, 09/01/24
Source: “Association between egg consumption and risk of obesity: A comprehensive review: Egg Consumption and Obesity,” ScienceDirect.com, February 2025
Source: “Eggs are back on the menu: Study finds no link to obesity with moderate intake,” News-Medical.net, 12/19/24
Source: “9 Steps to Perfect Health,” Chris Kresser, undated
Image by stevepb/Pixabay
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