Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8% mortality).
Original statement
في JAMA 2019 ارتبط كل نصف بيضة إضافية يومياً بزيادة 6% في أمراض القلب و8% في الوفيات الكلية على 29615 شخصاً
verbatim according to source. Translation by the project; the Arabic wording is authoritative.
Translation
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8% mortality).
Origin
- Source status
- Archive editors
- Attribution
- Archive editors (not Elawady)
- Origin
- https://eltayebat.com/rule/industrial-eggs/
- Attribution uncertainty
- Narrative and study selection written by the archive operators; the archive states the forbidden section is documented independently of Dr. Diaa's words.
- Claimed mechanism
Dietary cholesterol from eggs (and, per the archive, TMAO formation, see C-EGG-05).
- Claimed health effect
Cardiovascular disease, all-cause mortality.
- Population concerned
Adults (US cohorts in the cited study)
- Geographic restriction by Elawady
none found
Scientific assessment
Mostly false – Essential parts of the statement are not supported by the evidence or are strongly exaggerated.
Certainty of evidence: low – Further research is likely to change the assessment considerably.
1. What was claimed?
The archive presents the JAMA 2019 pooled US analysis as epidemiological evidence that eggs raise cardiovascular disease and mortality risk.
2. What is demonstrably correct?
The JAMA 2019 study (A-EGG-12) reported exactly these associations (HR 1.06 for CVD and 1.08 for mortality per half egg/day). Randomised trials show that more dietary cholesterol modestly raises LDL cholesterol (about 1.9-4.6 mg/dL per extra 100 mg/day, I-EGG-07). The AHA states that intakes above current averages are associated with higher LDL in most intervention meta-analyses.
3. What is wrong or exaggerated?
The archive omits that in the same JAMA study the egg association disappeared after adjustment for dietary cholesterol, and that larger bodies of evidence disagree: the 2020 BMJ meta-analysis (1.7 million participants) found RR 0.98 (0.93-1.03) per egg/day; PURE (about 177,000 people, 50 countries) found no association of >=7 vs <1 egg/week with CVD or mortality; a meta-analysis of 33 cohorts found no association with all-cause or CVD mortality; Chinese data (0.5 million adults) showed lower CVD risk with daily egg intake. Relative risks of 6-8% correspond to small absolute differences (1.11% and 1.93% absolute risk differences over follow-up in JAMA 2019).
4. What remains unclear?
Effects of high intakes (>1 egg/day), effects in people with type 2 diabetes (possible higher risk in a pooled analysis, I-EGG-01), a possible signal for heart failure (I-EGG-04) and for cancer mortality (I-EGG-05) remain uncertain; observational studies cannot fully separate eggs from accompanying foods (e.g., processed meat in breakfasts).
5. Which studies support it?
A-EGG-12 (pooled US cohorts); I-EGG-07 (LDL rise in RCTs); I-EGG-06 (AHA on LDL).
6. Which studies contradict it?
I-EGG-01, I-EGG-02, I-EGG-03, I-EGG-05; I-EGG-04 (mixed: inverse for CVD at moderate intake, positive for heart failure).
7. What applies to Germany and Europe?
European cohorts in the BMJ 2020 meta-analysis showed no association (RR 1.05, 0.92-1.19). The AHA (US) no longer sets a numeric cholesterol limit but recommends dietary patterns naturally low in cholesterol. [The German DGE position was not fetched for this review.]
8. What is known about Egypt?
No Egyptian cohort data were reviewed. Asian and multinational (PURE, including middle-income countries) data do not show increased risk at moderate intake.
9. What practical conclusion is appropriate?
For most healthy adults, up to about one egg a day within a healthy diet is not associated with higher cardiovascular risk. People with high LDL or diabetes should follow individual medical advice.
Assessment details
- Rationale for certainty of evidence
All evidence on hard outcomes is observational (GRADE starts at low). Several large dose-response meta-analyses (partly overlapping in primary studies) and the multinational PURE study show no association of moderate intake (up to about 1 egg/day) with CVD or mortality, while one pooled US analysis (the archive's study) showed a positive association. RCTs show that dietary cholesterol modestly raises LDL. The overall direction is consistent enough to call the general claim mostly false, but certainty remains low.
- Source quality
Archive editorial; cites a real, correctly summarised, high-profile study (A-EGG-12), but selects it from a larger and largely contradictory body of evidence.
- Regional transferability
The positive associations are mainly seen in US cohorts; European cohorts show no association and Asian cohorts an inverse association (I-EGG-01).
- Individual exceptions
People with type 2 diabetes, familial hypercholesterolaemia or high LDL may be advised by their doctors to limit dietary cholesterol. In people with type 2 diabetes, a meta-analysis found a possible higher cardiovascular risk (RR 1.25, 0.99-1.59 per egg/day; 1.40, 1.00-1.97 for high vs low intake, with considerable heterogeneity), although the US cohorts in the same paper showed no association in this group (HR 1.06) (I-EGG-01). One meta-analysis suggested higher heart failure risk at 1 egg/day or more (low certainty).
- Regional scope of the claim
- general (biological/medical)
- Last reviewed
- 25 October 2026 provisional
In plain language
The archive cites a real US study that linked each extra half egg per day with slightly higher heart risk. But when researchers combined many studies with almost two million people, they found no link between up to one egg a day and heart disease. A study in 50 countries found the same. Eggs do raise blood cholesterol a little in some people, so people with high cholesterol or diabetes should ask their doctor. The archive presents one study and leaves out the larger picture.
Studies on this claim
Studies supporting the claim (2)
-
Eggs, cholesterol and heart disease in six US cohorts
Zhong VW et al.. JAMA 2019 · PMID 30874756 · DOI 10.1001/jama.2019.1572Cohort studycited by the Tayebat archiveabstract only checked★ key studyMore eggs or dietary cholesterol were linked to slightly more heart disease and deaths; the egg link disappeared when cholesterol intake was accounted for.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? Yes · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Are dietary cholesterol or egg consumption associated with incident CVD and all-cause mortality?
- How was the study done?
Pooled individual-participant analysis of 6 prospective US cohorts
- How many people, animals or samples were studied?
29,615 participants; 5,400 CVD events; 6,132 deaths; US adults (mean age 51.6; 31.1% black)
- What was actually found?
Per 300 mg cholesterol/day: CVD HR 1.17 (1.09-1.26), ARD 3.24%; mortality HR 1.18 (1.10-1.26), ARD 4.43%. Per half egg/day: CVD HR 1.06 (1.03-1.10), ARD 1.11% (0.32-1.89); mortality HR 1.08 (1.04-1.11), ARD 1.93%. After adjustment for dietary cholesterol, egg associations were no longer significant (CVD HR 0.99, 0.93-1.05; mortality HR 1.03, 0.97-1.09).
- How large was the observed effect?
Cox models; HR and absolute risk difference (ARD)
- What do the results mean in everyday life?
Absolute differences were about 1-2 percentage points over 17 years.
- What are the study's limitations?
Single baseline dietary assessment; Residual confounding; US-only
- What does it say about Elawady's specific claim?
Supports the claim but is contradicted by larger meta-analyses.
- Do the results apply to Germany and Europe?
Moderate; European cohorts show no association (I-EGG-01).
- What can explicitly not be concluded from this study?
Cannot prove causation.
-
Dietary cholesterol and LDL
Vincent MJ et al.. Am J Clin Nutr 2019 · PMID 30596814 · DOI 10.1093/ajcn/nqy273Meta-analysisindependent cross-checkabstract only checkedMore dietary cholesterol modestly raises LDL cholesterol.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? Partly · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Dose-response of dietary cholesterol on LDL and HDL
- How was the study done?
Bayesian meta-regression of randomised dietary intervention trials
- How many people, animals or samples were studied?
55 studies; 2,652 subjects; Trial participants
- What was actually found?
+100 mg/d cholesterol: LDL +1.90 (linear), +4.46 (MM), +4.58 (Hill) mg/dL.
- How large was the observed effect?
Linear, Michaelis-Menten, Hill models
- What do the results mean in everyday life?
Matters most for people with high LDL.
- What are the study's limitations?
Surrogate endpoint
- What does it say about Elawady's specific claim?
Supports a mechanism, not outcomes.
- Do the results apply to Germany and Europe?
High.
- What can explicitly not be concluded from this study?
Cannot show heart disease effect.
No study in this group is marked as key.
Studies contradicting or limiting the claim (4)
-
Eggs and heart disease: 1.7 million people
Drouin-Chartier JP et al.. BMJ 2020 · PMID 32132002 · DOI 10.1136/bmj.m513Meta-analysisindependent cross-checkfull text checked★ key studyEating up to one egg a day was not linked to heart disease or stroke.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? No · Methodological quality: high · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Is egg intake associated with cardiovascular disease risk?
- How was the study done?
Three prospective US cohorts (NHS, NHS II, HPFS) plus systematic review and dose-response meta-analysis of prospective cohorts (PROSPERO CRD42019129650)
- How many people, animals or samples were studied?
215,618 cohort participants (14,806 CVD events); meta-analysis 33 estimates, 1,720,108 participants, 139,195 CVD events; US women and men free of CVD, diabetes and cancer; meta-analysis of global cohorts
- What was actually found?
Cohorts: an egg a day or more vs <1 per month HR 0.93 (0.82-1.05). Meta-analysis per egg/day: CVD 0.98 (0.93-1.03); Asia 0.92; in people with type 2 diabetes possibly higher risk (1.25, 0.99-1.59).
- How large was the observed effect?
Pooled Cox models; random-effects meta-analysis
- What do the results mean in everyday life?
For most people, an egg a day is not linked to heart risk.
- What are the study's limitations?
Observational; egg eaters had less healthy profiles (residual confounding possible); heterogeneity; few people above one egg a day; possible higher risk in type 2 diabetes is uncertain.
- What does it say about Elawady's specific claim?
Contradicts the archive claim.
- Do the results apply to Germany and Europe?
European cohorts: no association.
- What can explicitly not be concluded from this study?
Cannot prove absence of any effect at high intakes or in people with type 2 diabetes.
-
Eggs, cholesterol and heart disease in 50 countries
Dehghan M et al.. Am J Clin Nutr 2020 · PMID 31965140 · DOI 10.1093/ajcn/nqz348Cohort studyindependent cross-checkabstract only checked★ key studyEating an egg a day was not linked to cholesterol levels, heart disease or death.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? No · Methodological quality: high · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Is egg intake associated with blood lipids, CVD and mortality across income levels?
- How was the study done?
Prospective cohort analyses of PURE and of patients in ONTARGET/TRANSCEND trials
- How many people, animals or samples were studied?
146,011 (PURE) + 31,544 (trials); PURE general population (21 countries) and patients with vascular disease (ONTARGET/TRANSCEND)
- What was actually found?
PURE >=7 vs <1 egg/week: composite HR 0.96 (0.89-1.04); mortality 1.04 (0.94-1.15); major CVD 0.92 (0.83-1.01); no association with lipids. ONTARGET/TRANSCEND similar (composite 0.97, 0.76-1.25).
- How large was the observed effect?
Cox frailty models
- What do the results mean in everyday life?
Moderate egg intake appears neutral worldwide.
- What are the study's limitations?
Single FFQ; Few very high consumers
- What does it say about Elawady's specific claim?
Contradicts.
- Do the results apply to Germany and Europe?
Includes European countries.
- What can explicitly not be concluded from this study?
Cannot exclude small effects.
-
Eggs and heart disease in 0.5 million Chinese adults
Qin C et al.. Heart 2018 · PMID 29785957 · DOI 10.1136/heartjnl-2017-312651Cohort studyindependent cross-checkabstract only checkedDaily egg eaters had a lower risk of heart disease and stroke.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? No · Methodological quality: high · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Is egg consumption associated with CVD subtypes in Chinese adults?
- How was the study done?
Prospective cohort (China Kadoorie Biobank)
- How many people, animals or samples were studied?
461,213 participants; 83,977 CVD cases; 9,985 CVD deaths; Adults 30-79 from 10 regions, free of cancer, CVD, diabetes
- What was actually found?
Daily vs non-consumers: CVD HR 0.89 (0.87-0.92); IHD 0.88; MCE 0.86; haemorrhagic stroke 0.74; ischaemic stroke 0.90; 18% lower CVD death.
- How large was the observed effect?
Stratified Cox HR
- What do the results mean in everyday life?
No sign of harm at moderate intake.
- What are the study's limitations?
Low intake range; Reverse causation possible
- What does it say about Elawady's specific claim?
Contradicts.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Cannot prove benefit.
-
Eggs and risk of death: 2.2 million people
Mousavi SM et al.. Adv Nutr 2022 · PMID 35396834 · DOI 10.1093/advances/nmac040Meta-analysisindependent cross-checkabstract only checked★ key studyEgg intake was not linked to overall or heart deaths; a small link with cancer deaths was found.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? No · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Is egg consumption associated with all-cause and cause-specific mortality?
- How was the study done?
Systematic review and dose-response meta-analysis of 33 cohorts
- How many people, animals or samples were studied?
2,216,720 participants; 232,408 deaths; General population
- What was actually found?
Highest vs lowest: all-cause RR 1.02 (0.94-1.11); CVD 1.04 (0.87-1.23); CHD 0.98; stroke 0.81 (0.64-1.02); cancer mortality 1.20 (1.04-1.39). Per egg/week: +2% all-cause, +4% cancer, -4% stroke mortality (linear). Certainty low to moderate.
- How large was the observed effect?
Random effects
- What do the results mean in everyday life?
Up to one egg a day appears compatible with a healthy diet.
- What are the study's limitations?
Overlap with other meta-analyses; Heterogeneity
- What does it say about Elawady's specific claim?
Mostly contradicts; notes uncertainty.
- Do the results apply to Germany and Europe?
High.
- What can explicitly not be concluded from this study?
Cannot prove causation of cancer deaths.
No study in this group is marked as key.
Studies with mixed or unclear results (2)
-
Eggs and heart disease: dose-response review
Godos J et al.. Eur J Nutr 2021 · PMID 32865658 · DOI 10.1007/s00394-020-02345-7Meta-analysisindependent cross-checkabstract only checkedModerate egg intake was not linked to more heart disease; a possible higher heart failure risk at 1+ egg/day.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? Partly · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Is egg consumption associated with CVD, CHD, stroke and heart failure?
- How was the study done?
Dose-response meta-analysis of prospective cohort studies with GRADE
- How many people, animals or samples were studied?
~2 million; 85,053 CHD, 25,103 stroke, 7,536 HF, 147,124 CVD cases; 39 studies, ~2 million individuals
- What was actually found?
4 eggs/week: CVD SRR 0.95 (0.90-1.00); up to 1 egg/day CVD incidence 0.94 (0.89-0.99); CHD decreased up to 2 eggs/week; stroke no association; heart failure 1 egg/day SRR 1.15 (1.02-1.30). GRADE low for all but stroke (moderate).
- How large was the observed effect?
Random-effects dose-response
- What do the results mean in everyday life?
Moderation seems fine; very high intake uncertain.
- What are the study's limitations?
Overlap with other meta-analyses; Low certainty
- What does it say about Elawady's specific claim?
Mostly contradicts, with one caveat.
- Do the results apply to Germany and Europe?
High.
- What can explicitly not be concluded from this study?
Low certainty evidence.
-
AHA on dietary cholesterol
Carson JAS et al.. Circulation 2020 · PMID 31838890 · DOI 10.1161/CIR.0000000000000743Guideline / position statementindependent cross-checkabstract only checked★ key studyStudies do not show a clear link between dietary cholesterol and heart disease, but high intakes can raise LDL; focus on overall diet.
Higher egg (and dietary cholesterol) intake increases the risk of cardiovascular disease and all-cause mortality (each additional half egg per day: +6% CVD, +8%
Does the study support the specific claim? Partly · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
What is the relevance of dietary cholesterol guidance for heart health?
- How was the study done?
Science advisory based on review of human studies
- How many people, animals or samples were studied?
Not applicable; General population
- What was actually found?
Observational studies generally do not indicate a significant association with CVD; most intervention meta-analyses associate intakes above current averages with higher total/LDL cholesterol; guidance should focus on healthy dietary patterns.
- How large was the observed effect?
Not applicable
- What do the results mean in everyday life?
Overall diet pattern matters more than counting cholesterol.
- What are the study's limitations?
Not a formal systematic review
- What does it say about Elawady's specific claim?
Partly supports (LDL), mostly limits the claim.
- Do the results apply to Germany and Europe?
US body; EU bodies similar in not setting numeric limits [EFSA not fetched].
- What can explicitly not be concluded from this study?
Not a quantitative analysis.
No study in this group is marked as key.
Regional context
Germany / EU
European cohorts in the BMJ 2020 meta-analysis showed no association (RR 1.05, 0.92-1.19). The AHA (US) no longer sets a numeric cholesterol limit but recommends dietary patterns naturally low in cholesterol. [The German DGE position was not fetched for this review.]
Egypt
No Egyptian cohort data were reviewed. Asian and multinational (PURE, including middle-income countries) data do not show increased risk at moderate intake.
- Antibiotic (veterinary drug) residues in poultry meat and eggs
- Antimicrobial use in food animals and antibiotic growth promoters
- Salmonella in laying hens, eggs and broiler chicken
- Dioxins, PCBs and PFAS in eggs and other animal foods
- Import controls and the meaning of RASFF notifications for Egyptian products
What applies in my country?
General scientific assessment
Mostly false Moderate egg intake is not linked to more heart disease or deaths in most large studies; the archive's single study does not represent the overall evidence.
The following areas of food safety are relevant to this statement:
- Veterinary medicines and antibiotics
- Contaminants (heavy metals, PFAS, PCBs, dioxins, nitrate)
- Pathogens (Salmonella, Campylobacter, etc.)
- Animal husbandry and feed
- Controls, imports, recalls, labelling
Eggs
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References
- Associations of Dietary Cholesterol or Egg Consumption With Incident Cardiovascular Disease and Mortality.. Zhong VW et al.. JAMA 2019 · PMID 30874756 · DOI 10.1001/jama.2019.1572
- Meta-regression analysis of the effects of dietary cholesterol intake on LDL and HDL cholesterol.. Vincent MJ et al.. Am J Clin Nutr 2019 · PMID 30596814 · DOI 10.1093/ajcn/nqy273
- Egg consumption and risk of cardiovascular disease: three large prospective US cohort studies, systematic review, and updated meta-analysis.. Drouin-Chartier JP et al.. BMJ 2020 · PMID 32132002 · DOI 10.1136/bmj.m513
- Association of egg intake with blood lipids, cardiovascular disease, and mortality in 177,000 people in 50 countries.. Dehghan M et al.. Am J Clin Nutr 2020 · PMID 31965140 · DOI 10.1093/ajcn/nqz348
- Associations of egg consumption with cardiovascular disease in a cohort study of 0.5 million Chinese adults.. Qin C et al.. Heart 2018 · PMID 29785957 · DOI 10.1136/heartjnl-2017-312651
- Egg Consumption and Risk of All-Cause and Cause-Specific Mortality: A Systematic Review and Dose-Response Meta-analysis of Prospective Studies.. Mousavi SM et al.. Adv Nutr 2022 · PMID 35396834 · DOI 10.1093/advances/nmac040
- Egg consumption and cardiovascular risk: a dose-response meta-analysis of prospective cohort studies.. Godos J et al.. Eur J Nutr 2021 · PMID 32865658 · DOI 10.1007/s00394-020-02345-7
- Dietary Cholesterol and Cardiovascular Risk: A Science Advisory From the American Heart Association.. Carson JAS et al.. Circulation 2020 · PMID 31838890 · DOI 10.1161/CIR.0000000000000743