The Anti-Egg Bad Scientist Strikes Again

      52 Comments on The Anti-Egg Bad Scientist Strikes Again

I lost count of how many people sent me emails or posted comments about the latest Eggs Will Kill You! study.  Here are a couple of sample headlines and lead paragraphs:

No yolk: eating the whole egg as dangerous as smoking?

Just as you were ready to tuck into a nice three-egg omelet again, comforted by the reassuring news that eggs are not so bad for you, here comes a study warning that for those over 40, the number of egg yolks consumed per week accelerates the thickening of arteries almost as severely as does cigarette smoking.  Server, can you make that an egg-white omelet instead, please?

Egg yolks almost as unhealthy as cigarettes: Study

Yolk or smoke — the first is almost as bad for you as the second, London researchers have found.

Egg yolks accelerate the thickening of arteries?  As in cause and effect?  Was this a carefully controlled clinical trial?

Of course not.  It was yet another observational study based on a food questionnaire, as the LA Times article explains.

The study, published Tuesday in the journal Atherosclerosis, measured the carotid wall thickness — a key indicator of heart disease risk — of 1,231 patients referred to a vascular prevention clinic, and asked each to detail a wide range of their health habits, from smoking and exercise to their consumption of egg yolks. Just as smoking is often tallied as “pack-years” (the number of cigarette packs smoked per day for how many years), egg-yolk consumption was tallied as “egg yolk years” (the number of egg yolks consumed per week times the number of years they were eaten).

So what we’re looking at here is a group people who were referred to a heart-disease clinic – hardly a random sampling of the population – and a measure of their plaque levels compared to their answers on a questionnaire about their dietary habits. Here’s what you can reasonably conclude about cause and effect from a study like this:


But of course, that’s not how our intrepid media reporters interpreted it:

Smoking tobacco and eating egg yolks increased carotid wall thickness in similar fashion — which is to say, the rate of increase accelerated with each stair-step up in cigarette smoking or yolk consumption.

Eating yolks triggered plaque build-up at two thirds the rate for people who are smokers.

It would be bad enough if we were just witnessing the usual media misinterpretation of an observational study.  But in this case, the lead (ahem) researcher has been aiding and abetting that misinterpretation.  Here are some quotes from his university’s own press release:

Newly published research led by Western’s Dr. David Spence shows that eating egg yolks accelerates atherosclerosis in a manner similar to smoking cigarettes.

No, you dimwits, Dr. Spence found a correlation.  That’s all.

“The mantra ‘eggs can be part of a healthy diet for healthy people’ has confused the issue. It has been known for a long time that a high cholesterol intake increases the risk of cardiovascular events, and egg yolks have a very high cholesterol content. In diabetics, an egg a day increases coronary risk by two to five-fold,” said Spence, a professor of Neurology at Western’s Schulich School of Medicine & Dentistry and the director of its Stroke Prevention and Atherosclerosis Research Centre at the Robarts Research Institute.

Dr. Spence, even Ancel Keys admitted that the amount of cholesterol we consume in our diets has no effect on the cholesterol levels in our blood.  How exactly does consuming cholesterol cause heart disease?  What’s the biological mechanism?

As for his statement an egg per day increases coronary risk in diabetics, I dealt with that lousy study in a previous post.

“What we have shown is that with aging, plaque builds up gradually in the arteries of Canadians, and egg yolks make it build up faster – about two-thirds as much as smoking. In the long haul, egg yolks are not okay for most Canadians.”

No, Dr. Spence, you haven’t shown that eggs make it build up faster.  You can’t possibly show any such cause and effect by conducting an observational study.

Spence added the effect of egg yolk consumption over time on increasing the amount of plaque in the arteries was independent of sex, cholesterol, blood pressure, smoking, body mass index and diabetes.

Excuse me, but did I just read that the artery-clogging effects of eggs were independent of cholesterol?!! The whole reason Dr. Spence has been warning us against consuming eggs is that they contain too much cholesterol.  So is cholesterol the bad guy here or not?

Let me see if I can follow the logic so far:  eating eggs doesn’t raise cholesterol levels in our bloodstreams, cholesterol was not a determining factor for plaque buildup in this study, but Dr. Spence doesn’t want us to eat eggs yolks because (as he’s been busy explaining to the media), eggs contain more than the recommended amounts of cholesterol.

Okay, got it.

Here’s another of my favorite bad-science interpretations of the study:

The cholesterol in delicious egg yolks accelerates atherosclerosis (the build-up of plaque in our arteries) almost as much as smoking.

Once again, that sure sounds like cause and effect to me.

That sentence came from The Atlantic … which is a bit ironic, since the same magazine had the good sense last year to publish an excellent article titled Lies, Damned Lies and Medical Science. Perhaps whoever wrote the sentence above should read that article, which describes how Dr. John Ionnidis — an M.D. and mathematical genius who has spent years studying studies – has been exposing bad science in the health and medical fields.  Here are some quotes:

He’s what’s known as a meta-researcher, and he’s become one of the world’s foremost experts on the credibility of medical research.  He and his team have shown, again and again, and in many different ways, that much of what biomedical researchers conclude in published studies—conclusions that doctors keep in mind when they prescribe blood-pressure medication, or when they advise us to consume more fiber or less meat — is misleading, exaggerated, and often flat-out wrong. He charges that as much as 90 percent of the published medical information that doctors rely on is flawed.

When it came to cancer, heart disease, and other common ailments, there was plenty of published research, but much of it was remarkably unscientific, based largely on observations.

Good scientists don’t jump to conclusions based on observational studies, and with good reason:  as I mentioned in my Science For Smart People speech, Dr. Ionnidis determined that 80 percent of the conclusions drawn from observational studies have turned out to be wrong.  Yup, 80 percent.  Here’s more from the article:

Consider, he says, the endless stream of results from nutritional studies in which researchers follow thousands of people for some number of years, tracking what they eat and what supplements they take, and how their health changes over the course of the study …

For starters, he explains, the odds are that in any large database of many nutritional and health factors, there will be a few apparent connections that are in fact merely flukes, not real health effects—it’s a bit like combing through long, random strings of letters and claiming there’s an important message in any words that happen to turn up.

Apparently in combing through his long, random strings of letters, Dr. Spence found the message Eggs Yolks Will Clog Your Arteries! – followed by another one that read:  Forget What Real Scientists Believe – Correlation Does Too Prove Causation!

I don’t have a copy of the full study (and I’m not paying $32 to buy one), but Zoe Harcombe has one and wrote a spot-on analysis. One interesting bit of data she pulled from the study is that the people who ate the most eggs (or had the most “yolk years” under their belts) also had the lowest total cholesterol levels. Hmmm … once again I have to ask myself how these killer eggs yolks are clogging Canadian arteries if not through cholesterol.

She also noticed that even in the highest quintile of “egg yolks years,” the people surveyed were consuming an average of 4.68 eggs per week.  According to a USDA table I downloaded, Americans in the 1920s consumed between 6 and 7 eggs per week on average.  I guess that explains the sky-high rate of heart disease in the 1920s.

So what’s going on with this study?  Why did Dr. Spence find a correlation?  As Dr. Ionnidis points out in the Atlantic article, researchers have a way of finding the results they want to find.  But let’s suppose this was a totally unbiased analysis and the correlation between “egg yolk years” and plaque buildup is really and truly right there in the data.  Does that prove egg yolks cause plaque?


As I’ve said before, if I could get the media to go along and convince everyone that celery will clog your arteries, in a decade or two we could conduct an observational study and find that – lo and behold – people who ate more celery had more heart disease.  The reason we’d find that correlation is that health-conscious people would be avoiding celery, while the “I don’t give a @#$%” people wouldn’t.

We saw that effect (in reverse, anyway) with the estrogen pill fiasco.  A large observational study showed that women who took estrogen pills had a 40% lower rate of heart disease.  But in two large clinical trials (the kind that matter), women who took estrogen pills ended up with higher rates of both heart disease and strokes.  The estrogen pills weren’t protecting women’s hearts, but health-conscious women were more likely to take estrogen pills.  Health-conscious people routinely gravitate towards what they’re told is good for them and avoid what they’re told is bad for them.  In doing so, they can create all kind of correlations that have nothing to do with cause and effect.

I know that, even Dr. Spence doesn’t.

We’ve been told for 35 years now that eggs yolks are bad for us.  So who is going to eat fewer eggs?  Health-conscious people.  The “I don’t give a @#$%” types will eat more – probably with a couple of pieces of white-bread toast.

My advice to the Canadians (and anyone else who wants to avoid heart disease) is to enjoy your eggs but dump all the sugar, wheat and other refined carbohydrates from your diet.

I had four egg yolks today, courtesy of our chickens.  I had three yesterday and four on Tuesday.  I’ll eat more eggs tomorrow.  In “egg yolk years,” I’m probably coming up on my 237th birthday.  And I’m not the least bit worried about it.

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52 thoughts on “The Anti-Egg Bad Scientist Strikes Again

  1. Laurie

    To celebrate the bad study I had a three egg omelette for breakfast and for dinner had some hard boiled eggs off the salad bar. Hope this Canuck makes it through the weekend! Good thing I’m an honourary American who talks funny! 😉

    Be sure to leave Canada now and then, or those egg yolks will get you.

  2. nonegiven

    I think it was Dr Eades that said, in double blind studies, people who took most of their pills did better than people who didn’t, even when they were on the placebo. So people who don’t eat eggs because they think they are bad may do better because they think they are doing the healthy thing.

    Exactly. Dr. Eades referred to them as “adherers” and “non-adherers.” Adherers have better health outcomes.

  3. Shelly

    Love you, Tom! I was just waiting to provide a link to this ridiculous study and interpretation there of. I can’t believe this was published in The Atlantic … or maybe I’m not so surprised. Loved your commentary on Jimmy’s “Livin’ La Vida Low Carb” show’s podcast this week. Your work is important and courageous! Keep it up! –Shelly

    I guess media types just can’t resist a dramatic headline.

  4. M.

    I’m an egg-loving Canadian who has dumped all the sugar, wheat, and refined carbohydrates (plus a few others) from my diet, and I’ve never felt better or been healthier 🙂

    According to Dr. Spence, this merely means you’ll leave a healthy-looking corpse behind when the egg yolks kill you.

  5. Kate B

    I wish I could eat egg yolks, but I can’t. I get an angry tummy after. That said, I think a study could be bent any which way one wanted the outcome to be.

    That’s exactly the point Dr. Ionnidis has been making.

  6. Deniece

    My grandparents ate 6 eggs between them every morning with sausage or bacon. My grandmother said she would live to be a hundred. She missed it by three months. She died not of old age or high cholesterol, she died because she fell while trying to plow her garden and broke her hip and got a blood clot. My grandfather at 97 was told he had high cholesterol and would have to cut out eggs, bacon and sausage, he told them just go ahead and shoot him because if they cut that out life just was worth living. He out lived his doctor, who died of a heart attack. The Doctor was 63 my grandfather 101.

    Yeah, but those eggs caught up with your grandfather after just 101 years.

  7. Ron K.

    Milk, butter and eggs have been staples in the diet of our species for thousands of years. Now in the ultimate wisdom of the medical industry all three have been demonized.
    Food researchers of the 1950’s were ignored and for half a century doctors knew for a fact that margarine and Crisco were heart healthy.
    I wonder if it will take over a half century for them to back off on eggs.

    Let’s hope not.

  8. tracker

    I dunno, I think their study is spot on. It looks to me like we’ve found the fountain of youth. According to their data in Table 2, age goes up as egg consumption goes up, therefore if we just don’t eat eggs we’ll live forever.

    Oh… wait, that could also mean they were biased in what data they used in each egg consumption group. Well silly me, here I thought if I only gave up eggs I might live forever. Darn.

    You could give up eggs and report back to us in 75 years or so.

  9. Tim Conway

    As many eggs as I eat, and as many “egg yolk years” as I have, my cholesterol numbers should be through the roof, and I should be dead by 1997.

    As I sang in the closing song in Fat Head: According to the experts, I’ve been dead for several years.

  10. Lori

    Since my bike wreck a few weeks ago, I’ve been eating at least three eggs a day, plus making lots of pate with calf liver and bacon, and eating pureed hamburger and clam chowder. (I have dental injuries.) Good thing I’m not Canadian or I’d have to live on fruit smoothies.

    Better stay on this side of the border if you’re eating three eggs per day.

  11. Brooke

    I’ve concluded that Dr. Spence is suffering from SEVERE CHOLINE DEFICIENCY, from his lack of egg yolk consumption. Clinical studies have shown that a lack of choline results in drastic negative effects on brain function.

  12. Sandy

    As the infamous Earl Pitts used to say, “Wake Up, America”! Do your own research and you’ll find by ditching the wheat, sugar and bad oils, you’ll be far better off. I think it’s been pretty well documented that “inflammation” is what causes arterial plaque and those foods are on top of the list causing that inflammation. Eggs are a great source of good fats and protein.

    If inflammation becomes the prime suspect, Dr. Spence will no doubt produce a study showing that egg yolks cause inflammation.

  13. alexandra

    not to mention the fact that the vast majority of eggs are consumed with the whites..why are they not equally suspect since the eaters certainly have an equal number of egg white years under their belts.

    Well, it’s that evil cholesterol, you see … even though the egg-eaters had lower cholesterol levels.

  14. wmdwfprez

    As soon as me and my wife saw this “news story” if you can even call it that I told her we should consume more eggs just to prove this “doctor’s” observational study wrong.

  15. Norm Robillard

    Thanks for writing one of the sharpest commentaries I have ever read debunking junk science. I particularly liked this funny and razor sharp passage:

    “Spence added the effect of egg yolk consumption over time on increasing the amount of plaque in the arteries was independent of sex, cholesterol, blood pressure, smoking, body mass index and diabetes.

    Excuse me, but did I just read that the artery-clogging effects of eggs were independent of cholesterol?!! The whole reason Dr. Spence has been warning us against consuming eggs is that they contain too much cholesterol. So is cholesterol the bad guy here or not?

    Let me see if I can follow the logic so far: eating eggs doesn’t raise cholesterol levels in our bloodstreams, cholesterol was not a determining factor for plaque buildup in this study, but Dr. Spence doesn’t want us to eat eggs yolks because (as he’s been busy explaining to the media), eggs contain more than the recommended amounts of cholesterol.

    Okay, got it.”

    If only one of the peer reviewers had a tiny smidgen of your good science sense, this article would never have been published, but you know that most journals these days let you pick you reviewers; i.e., friends.

    Yup, I’m not impressed by the “peer-reviewed” label for that reason. A whole lot of “peer-reviewed” articles have been retracted later.

  16. Megan

    I am getting egg fatigue – every other week there is a study telling us about the dangers or wonders of eggs. What is it about the humble egg which gets everyone so riled up? it is just an egg for goodness sake….is there some kind of anti-egg lobbyist out there who in turn are being refuted by the eggs are good brigade? Let’s call it the eggs wars.

    All I do is go to my supermarket, buy eggs, eat them if I want to and ignore the studies. I know eggs keep me slim, healthy and feeling great. What more do I need to know?

    If you’re feeling egg fatigue, I suggest eating more eggs. They’ll perk you up.

  17. smgj

    Gotta laugh (or cry). The last 2 years I’ve switched from a low-fat diet to a primal-ish diet (still have some ‘tatters, some rice or a bit milk now and then but NO gluten or oaths) and got my new cholesterol levels last month
    HDL – at top of normal range
    LDL – low end of normal range
    Triglycerides (tada!) – below normal range…
    In the same time I’ve gone from 1-2 eggs a month to 4-5 eggs each week…

  18. BobG

    Even among sensationalized bad science “findings,” this one stands out. I had really thought we were done demonizing eggs (didn’t that go out with Murphy Brown-type shoulder pads?), but I guess not.

    Dr. Spence receives funding from statin-makers. I suppose he needs to keep fueling anti-cholesterol hysteria to keep them happy.

  19. Isabel

    I took my 16 year old wrestler for a free cardio screening that is offered to teenaged athletes to identify those with unusual heart disease that can cause sudden cardiac arrest. They performed an EKG and ultrasound and declared him healthy. Then the cardiologist gave us a quick spiel about avoiding egg yolks because they are “little cholesterol bombs”. My son and I just smiled at each other, said thank you and left (isn’t he polite?). I buy at least 3 dozen eggs a week for a family of 4. That works out to 9 eggs a week each, but since I make him breakfast before school everyday, I know that he and I eat at least 12 eggs each.
    My cholesterol ranges from 163-196 in the last 2 years, but more importantly my Triglycerides range from 133 to 149.
    Besides, eggs are yummy and I can cook them about 37 different ways. Usually with a side of pork. Which leads me to an old joke:
    What is the difference between a chicken and a pig in a bacon and egg breakfast? The chicken is involved, but the pig is truly committed.

    At my last checkup, my HDL was 64, total cholesterol was 203 and triglycerides were in the low 70s (I forget the exact number). I’d like Dr. Spence to explain what danger signs he sees in that lipid panel.

  20. DB

    I have never understood this from a biological perspective. How could something that is evolved to support a growing embryo be bad for you. Granted we are not birds but despite that an egg must be loaded with nutrients and building blocks for life (hence the reason there is probably high cholesterol).

  21. Scott

    I’m sure this has the vegan groups all getting giddy over this, because they love bad science themselves (forks over knives) anything to support their agenda. I’m sure they’re on their boards right now posting this and saying look “proof” eggs are bad for you.

    I think you can bet on that.

  22. Pierce

    The Atlantic, as in most of its coverage, tends to be quite hit or miss when it comes to health and science.

    This one and all her other articles are a great example. The author interprets the study in question as proving causality even when the authors themselves said “our study design does not allow a causal evaluation of the relationship between the increased fat intake since 2004 and the increased cholesterol values after 2007.”

    She became quite defensive about this.

    Too many media reporters just can’t resist treating observational studies as some kind of proof.

  23. Beowulf

    Funny, I was just debunking this study last night for some friends who brought up the “egg yolks are as bad as smoking” claims. Observational study + food questionnaire just never equals anything useful.

  24. Ulfric

    I’ve been eating a heck of a lot of egg yolk lately, as part of my atypical low-carb experiment. In order to avoid eating WAY too much protein I sometimes drained the whites before scrambling … but now we’ve found our local game dealer is selling duck eggs : hugely more yolky than hen’s eggs. Try ’em!

    As for the headlines : total balderdash as usual.

    I’ll have to give those a try.

  25. Ellen

    Let’s see, in the past year I’ve averaged about 20 whole eggs cooked in butter per week. Lost 40lbs, bp went from 140/90 to 102/72, trigs from 270 to 54, hdl from 40 to 55. Yep, those eggs are bad news. Oh but in my “wellness” consultation here at work, I was told I still need to eat less fat and more whole grains. Just nodded my head and smiled.

    All great numbers, but Dr. Spence will still insist those yolks will kill you.

  26. Eric Schmitz

    I’ve had four today, myself — also courtesy of my backyard chickens. 😉 Two in a cheese and avocado omelet, and two “Rocky style” before leaving for work early. Gosh, I can feel my veins crackling as I walk! (Not!)

    Wow, I love eggs but can’t bring myself to drink them Rocky style.

  27. Firebird

    I was eating a hard boiled egg while roller blading, and I fell. I guess eating eggs causes equilibrium problems, too.

  28. desiree

    Eggs will not kill you or give you a heart attack or heart disease or any other health problems. Eating too much sugars and carbs will. feel free to check out my face book page realw8 808

  29. Rae

    Whole eggs are one of nature’s perfect foods – no study in the world will convince me to give them up in favor of artificially colored egg whites in a carton, or worse – tofu! Or cereal! I burn through about a carton of eggs a week just for myself. My stepdad (in his 70s) asked me one day what I had for breakfast and I said a glass of milk and hardboiled eggs. He said “That’s diet food”. It used to be common knowledge that eating whole protein foods with fewer carbs will keep you slim.

    I just received a Julia Child cookbook for my birthday. Her recipes look yummy and rich, but in the writing of the book she constantly apologizes for her use of ‘unhealthy’ foods like butter, eggs, and cream. Sad that she had to answer to the low-fatties like that. She lived to her 90s – think I will keep the butter, eggs, and cream. And the red meat, and the chicken fat, and the wine…

    We should all follow Julia Child’s example and live so long.

  30. Caitlin

    When I go on a week-long egg binge, which happens four times a year or so, I can easily consume 6 farm eggs a day. Multiply that out and that’s 42 a week. I would just loove to tell some “dietician” that just for the lols. According to this study, my carotids should have the consistency of strawberry Twizzlers. Wow, I must have had multiple strokes by now, ya think?

    You need to at least consider the possibility that you’re already dead and merely hallucinating from some other plane of existence.

  31. Rick T

    Eric: Ive done the “Rocky style” also (as my wife was pleading with me not to, lol). I later found that supposedly if you eat them raw like that, your body will only digest half of the protein in the egg, as opposed to when it’s cooked in some way. Guess raw is good for a quick fix, and why Rocky had to suck down like 15 of them that morning.

  32. Phocion Timon

    Instead of tobacco, what about smoking the egg yolks?

    I believe it’s easier to substitute chewing tobacco for chewing yolks. Plus you don’t have spit out the yolks.

  33. Craig

    Great article. My Triglycerides are finally in range even though I eat at least a dozen eggs a week often cooked in butter. I guess some people can’t take a yoke.

    LOL. Dr. Spence believes none of us should take a yolk.

  34. Marilyn

    Ooops! Sorry. I’ve been gone and hadn’t yet read your August 13 post. You already commented on the college pork ban idiocy.

  35. Angel

    I eat 4 very lightly cooked, gorgeous rich orange-colored egg yolks from happy pastured hens a day (can’t handle the whites, they upset my tummy). I think I am a similar age to you in egg years – unless eating them without the “healthy whites” portion accelerates the egg-years process.

    Our chickens are putting out 8-10 orange-yolk eggs per day. Man, they’re tasty.

  36. Dee Casey

    I saw this study and your blog was the first place I came to. Than k you for writing about it and once again, for clarifying. I am so tired of seeing these studies about the “bad” egg. Instead of these so called studies and “Dr.s” that get the vegans pointing fingers saying “see you unhealthy meat eaters, we told you so!”, shouldn’t we be focusing on factory farming, the USDA, EPA & FDA health practices or lack thereof, Pesticides and chemicals, GMO’s, and sugary, carb laden processed foods? I blame all of this on our poor health, not a healthy locally raised chicken egg. Heck, look at Julia Child, she lived to be 92 and her recipes were full of eggs and fats!

    Absolutely. You don’t solve a problem by shooting at the wrong targets.

  37. Dan

    Off Topic: I live in L.A. You’ll know the kind of folk I’m writing about. A lawyer friend of mine started dating a vegan. She’s trying to convert him. She dragged him to some “health” symposium where they were to discuss anti-aging. The speaker stated that, among centenarians, none are vegans/vegetarians (as demonstrated by many folks, including comics such as Lewis Black who ranted about some centenarian eating fat back because bacon was too lean). The audience was taken back. Then the speaker followed up with, “Vegetarians may die younger, but they’re healthier when they go” to thunderous applause. Of course, to a thinking person (even a lawyer), this sentence has no logic. If a veggie/vegan is healthier, then why do they die earlier? Just thought I’d share another brush up (albeit, indirectly) with the veggie/vegan “cult”.

    You’ve got to be a True Believer to applaud such an illogical statement.

  38. Sky

    I’ve been eating 4 eggs every morning until recently (skipping breakfast the last couple of years) for some 30 odd years and the last time I checked the obits, which was this morning…it appears I’m still alive.

    I’ll now ingest a couple of eggs every other day mixed in with my whey shake. Just last week I traveled almost an hour to a Farmer’s Market in Amherst, MA. and bought 10 dozen eggs from Friend’s Farm because of their reputation. I envy you Tom for having your very own free-ranging chickens providing you and your family with those delicious, healthy eggs! No such luck for city slickers like me who have to travel a ways to get those same eggs.

    Question: Is it true that you really don’t have to refrigerate your eggs if you plan on eating them within a month’s time? Thanks in advance for your opinion!

    When chickens lay eggs, the eggs have a protective coating on them. If you don’t wash off the coating, the eggs will stay fresh for a long time. If you do wash off the coating, you need to put the eggs in the refrigerator afterwards.

  39. David

    My mom asked me if I heard about this and I was like “eggs are like smoking?! Really?! Sounds like they are just trying to scare people away from eating them.” Of course I continue to eat my eggs every day.

    That seems to be exactly what Dr. Spence wants to do.

  40. The Older Brother


    If you keep your unwashed pasture eggs in the pantry (as I do), you do want to rotate them every day or so in order to keep the inner shell from becoming permeable at the air pocket at the top. If you keep them in a carton, just rotate the carton top-to-bottom.


  41. JohnBoy

    What a bunch of malarky..The English diet is chuck full of items worse than eggs. Kidney Pie and Haggis, give me a break!

  42. Devon

    Has this study been peer reviewed yet? The basic problem with this kind of study is that you have to compile evidence to account for an outcome. Rather than compiling evidence that points out the conclusion. This type of study is also prone to selection bias. However if this particular study turns out to be done well then more research must be conducted on egg consumption and arrery plaqueing. For all we know from the information presented here it could be the egg whites causing heart disease, the cooking oil or any other number of things.

    The “peer-reviewed” label doesn’t impress me anyway. Lots of garbage has made it through the peer-review filter.

  43. egocyte

    Great debunking! Very interresting!
    I have found the article for free here :
    What I understand from the charts on page 3, is that the carotid plaque area is directly linked to the age. Which is quite logical. Then if you remember well, the “egg-yolk years” is also directly link to the age (weekly consumption x years of consumption): if you are old, you must have a bigger “egg-yolk year” factor, because you’ve eaten eggs for a long time.
    It would be interresting to do the same chart, but with only the weekly consumption of eggs. But I guess that in this case the conclusion of the article would be “aging is dangerous for your health”…

    Dr. Spence claims the plaque area was larger for those who ate more eggs as they aged. To which I’d reply: so what? There’s still no explanation of a mechanism, since those who age more eggs had (slightly) better lipid profiles, which he seems to believe matter.

  44. Douglas

    As a Canadian with a working brain…I sincerely apologize for Dr. Spence’s giant load of propoganda

    No need. If I had to apologize for every bad paper produced by American scientists, it would be my full-time job.

  45. Mike

    Hmm, I had a few eggs daily in the past few months, and my triglycerides level was half of minimum level ( about 70 ). Should I die ?

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