Mostly false Scientifically refuted Certainty of evidence: moderate provisional C-EGG-02

All eggs (chicken, quail, pigeon, ostrich, etc.) are harmful because an egg is an embryo / contains the 'full components of a living organism'.

Safety note: Eliminating eggs together with dairy, poultry, legumes and many vegetables (as in the overall system) can make it hard for children and pregnant women to meet protein, B12, iodine, choline, iron and zinc needs; WHO recommends daily animal-source foods such as meat, fish or eggs for children aged 6-23 months, and allergy guidelines recommend introducing well-cooked egg in infancy. Such restrictions should be discussed with a doctor or dietitian.
In short: This claim is mostly false. Most eggs sold are not fertilised, 'containing everything an embryo needs' is not a mechanism of harm, and large studies find no link between moderate egg intake and heart disease or death; in infants, early well-cooked egg even lowers egg allergy.
Conclusion: The 'egg is an embryo, therefore harmful' argument has no scientific basis: most eggs are unfertilised, and moderate egg intake is not linked to heart disease or death.

Original statement

البيض على جميع الاصعده حتى بيض التعبان مضر وبيض التمساح وبيض النعامه وبيض الحمامه وبيض السمان ... فانت بتاكل جنين جنين على وشك ال الخروج للحياه

verbatim according to source. Translation by the project; the Arabic wording is authoritative.

Translation

All eggs (chicken, quail, pigeon, ostrich, etc.) are harmful because an egg is an embryo / contains the 'full components of a living organism'.

Origin

Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
Dr Diaa Al Awady د ضياء العوضي is live!لايف تاريخي في الهري منه😂😂😂 (Open source)
Published
25 January 2026
Timestamp
not available (transcript has no timings)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
Claimed mechanism

Eating an embryo / complete organism is harmful.

Claimed health effect

General harm (unspecified).

Population concerned

general population (not specified)

Geographic restriction by Elawady

none found

Diverging source versions

Source status
Archive quote (no location given)
Attribution
Elawady (archive paraphrase; source video not given)
Origin
https://eltayebat.com/rule/industrial-eggs/
Attribution uncertainty
The archive presents this in a 'د. ضياء يقول' box without a video reference; exact wording by Elawady not verified.
Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
Dr Diaa Al Awady د ضياء العوضي is live! الهرم الغذائي الجديده (Open source)
Published
20 January 2026
Timestamp
not available (transcript has no timings)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
Source status
Archive food list
Attribution
Archive food list (eltayebat.com)
Origin
https://eltayebat.com/foods/
Attribution uncertainty
Food-list entry; no reasoning or source given on the list itself.
Source status
Third-party site (unofficial)
Attribution
Third-party site (mytayibat.com); unofficial by its own statement
Origin
https://mytayibat.com/forbidden
Attribution uncertainty
Lowest attribution level: unofficial third-party site. In its footer it calls itself the "official educational platform"; this self-description is not verified as authorised by the heirs or the archive.

Scientific assessment

Mostly false – Essential parts of the statement are not supported by the evidence or are strongly exaggerated.

Certainty of evidence: moderate – Further research may still affect the assessment.

1. What was claimed?

Every kind of egg is harmful because eating an egg means eating an embryo that is about to come to life.

2. What is demonstrably correct?

An egg contains the nutrients needed for embryo development (protein, fat, cholesterol, choline, vitamins). Eggs, like other animal foods, can be contaminated (Salmonella, environmental pollutants) - see C-EGG-08 and C-EGG-09.

3. What is wrong or exaggerated?

Commercial table eggs from laying flocks without roosters are not fertilised, so they do not contain a developing embryo. Being 'nutrient-complete for an embryo' is not a known mechanism of harm. Large prospective studies and meta-analyses find no consistent harm from moderate egg intake (up to about one egg per day) for cardiovascular disease or overall mortality.

4. What remains unclear?

Very high intakes and some subgroups (e.g., people with diabetes, heart failure risk) show inconsistent, very weak signals in observational data (heart failure RR 1.15, cancer mortality RR 1.13 in I-EGG-130; see C-EGG-04).

5. Which studies support it?

None found for the stated mechanism.

6. Which studies contradict it?

I-EGG-01, I-EGG-02, I-EGG-05 (no association of moderate egg intake with CVD or all-cause mortality); I-EGG-130 (2025 umbrella review: no association with any cardiovascular outcome or all-cause mortality; insufficient evidence to discourage eggs); I-EGG-101 (early egg introduction in infants: egg allergy RR 0.60, 0.46-0.77, high certainty); I-EGG-105 (one egg a day in infants in Ecuador improved growth, no allergic reactions reported). I-EGG-106 (Malawi) found no growth effect but no harm was reported.

7. What applies to Germany and Europe?

In Germany and the EU, eggs are part of standard dietary guidance as a protein source; table eggs are generally unfertilised.

8. What is known about Egypt?

The same biological facts apply. Backyard flocks with roosters can produce fertilised eggs; fertilisation itself is not a recognised health hazard.

9. What practical conclusion is appropriate?

There is no scientific basis for avoiding all eggs on the grounds that they are 'embryos'. Individual reasons (allergy, personal or religious choice) are a different matter.

Assessment details

Rationale for certainty of evidence

The factual premise is wrong (most table eggs are unfertilised) and 'containing everything an embryo needs' is not a known mechanism of harm. A 2025 umbrella review of 14 meta-analyses found no association of egg intake with cardiovascular outcomes or all-cause mortality and judged the evidence insufficient to discourage eggs (I-EGG-130). High-certainty randomized evidence shows that egg given to infants from 3-6 months lowers egg allergy (I-EGG-101). Not high certainty because 'harm' is unspecified and the adult evidence is observational.

Source quality

Own words (machine transcripts) and archive paraphrase.

Regional transferability

Universal claim.

Individual exceptions

Egg allergy (see C-EGG-01). Raw or undercooked eggs carry a Salmonella risk, which matters especially for infants, pregnant women, older and immunocompromised people.

Regional scope of the claim
general (biological/medical)
Last reviewed
26 October 2026 provisional

Scientific evidence in detail

Scientifically refuted – High-quality evidence shows the opposite, or the claim contradicts well-established physiology.

Research question: Are eggs of all bird species harmful to human health because an egg is (or contains the components of) an embryo?

Research question in detail (PECO)
Population
General population including children and pregnant women
Intervention or exposure
Consumption of eggs (any species)
Comparison
No egg consumption
Geographic scope
universal biology
Outcomes
  • cardiovascular disease and all-cause mortality
  • child growth and allergy
  • any documented harm attributable to eggs as such

Study results as reported by the authors. Our assessment follows below.

What speaks for the claim?

  • Big overview: no good reason to avoid eggs

    Formisano E et al.. Nutr Metab Cardiovasc Dis 2025 · PMID 39934049 · DOI 10.1016/j.numecd.2025.103849 Systematic reviewabstract checkednewly added

    The 2025 umbrella review lists the few adverse signals reported for eggs.

    Actual result
    Very weak evidence: heart failure RR 1.15 (1.02-1.30), cancer mortality RR 1.13 (1.06-1.20), LDL WMD 7.39 mg/dL.
    Methodological quality
    moderate overview of critically low-quality meta-analyses
    Relevance
    indirect: weak signals, not general harm and not related to the 'embryo' argument
    Limitations
    Very weak evidence; observational.

    Original publication

What speaks against the claim?

  • Big overview: no good reason to avoid eggs

    Formisano E et al.. Nutr Metab Cardiovasc Dis 2025 · PMID 39934049 · DOI 10.1016/j.numecd.2025.103849 Systematic reviewabstract checkednewly added

    Umbrella review of 14 meta-analyses: no association with any cardiovascular outcome or all-cause mortality; insufficient evidence to discourage eggs.

    Actual result
    No association high vs low egg intake with CVD outcomes or all-cause mortality.
    Methodological quality
    moderate (umbrella review; included reviews of low quality)
    Relevance
    direct for 'harmful'
    Limitations
    Observational base.

    Original publication

  • Giving babies egg early lowers the chance of egg allergy

    Scarpone R et al.. JAMA Pediatr 2023 · PMID 36972063 · DOI 10.1001/jamapediatrics.2023.0142 Meta-analysisfull text checkednewly added

    In randomized trials, giving egg to infants from 3-6 months reduced egg allergy.

    Actual result
    RR 0.60 (0.46-0.77), 9 trials, 4,811 infants, high certainty.
    Methodological quality
    high
    Relevance
    direct for children: eggs given early are protective, not harmful
    Limitations
    Mostly high-income settings.

    Original publication

  • Eggs and heart disease: 1.7 million people

    Drouin-Chartier JP et al.. BMJ 2020 · PMID 32132002 · DOI 10.1136/bmj.m513 Meta-analysisfull text, structured risk-of-bias assessment

    BMJ 2020 cohorts and meta-analysis: no CVD association up to 1 egg/day.

    Actual result
    Meta-analysis RR 0.98 (0.93-1.03) per egg/day.
    Methodological quality
    moderate (large cohorts, meta-analysis)
    Relevance
    direct
    Limitations
    Observational.

    Original publication

What does the overall evidence say?

Editorial assessment based on the studies above – not itself a study result.

Which position is better supported?

Eggs are not generally harmful; moderate intake is not associated with cardiovascular disease or mortality, and eggs are tolerated and useful in infant diets. The 'embryo' argument has no biological basis: table eggs are usually unfertilised, and nutrient completeness is not a mechanism of harm.

Why some studies weigh more

Randomized infant trials (high certainty for allergy) and multiple large cohort syntheses outweigh very weak observational signals. Overlapping meta-analyses were counted once.

Is a causal relationship established? Not applicable The claim's mechanism ('eating an embryo is harmful') is not a testable or recognised biological mechanism.

Remaining uncertainty

Very high intakes, people with type 2 diabetes and heart failure risk remain uncertain (C-EGG-04).

Justified conclusion

There is no scientific basis for regarding all eggs as harmful.

Why do studies seem to disagree?

Weak adverse signals (heart failure, cancer mortality) come from observational meta-analyses rated very weak; they do not conflict with the absence of association for CVD and mortality and concern high intakes.

Does this depend on the country?
General biological effects
Universal.
Eating habits
Eggs are a common, affordable protein in Egypt.
Origin of the food
Fertilised eggs from backyard flocks with roosters are not a recognised hazard.
Contaminants
See C-EGG-08/09.
National production conditions
Not relevant to the embryo argument.
Legal rules
Not relevant.
Actual monitoring data
Not relevant.

A regional difference that changes the conclusion is not supported by robust data.

Statistical re-check
  • CI log-symmetry; absolute effect at different baseline risks – RR 0.60 (0.46-0.77) log-symmetric; ARR 21.6/1000 (NNT 46) at 5.4% baseline, 3.2/1000 (NNT 312) at 0.8%. recalculated
Certainty of the overall evidence (GRADE, simplified)
Main outcome
Harm (CVD, mortality) from moderate egg intake
Starting level
low (observational studies)
Reasons for downgrading
  • inconsistency (regional heterogeneity)
Result
moderate

Simplified assessment by a single reviewer, following the GRADE approach; not a formal GRADE panel. GRADE rates the body of evidence for one outcome, not individual studies.

Clinical guidelines and official statements checked
  • WHO: WHO Guideline for complementary feeding of infants and young children 6-23 months of age (2023) · Original publication
    Animal source foods including meat, fish or eggs should be consumed daily by children 6-23 months (strong recommendation, low-certainty evidence); excluding meat, poultry, fish and eggs together leaves iron, zinc and B12 gaps.
  • EAACI (European Academy of Allergy and Clinical Immunology): Preventing the development of food allergy in infants and young children (2020 update) (2021) · Original publication
    Suggests introducing well-cooked (not raw) egg as part of complementary feeding, most effective from 4-6 months; suggests against avoiding food allergens during pregnancy or breastfeeding.
Search strategy

Documented literature searches for this review (search strings in the original database syntax).

DatabaseDateSearchLooking forHitsIncluded
PubMed26 October 2026Iannotti[au] eggs early complementary feeding child growth randomizedcontradicting evidence5
Europe PMC26 October 2026(TITLE:"fertilized egg*" OR TITLE:"fertilised egg*" OR TITLE:"embryonated egg*" OR TITLE:balut) AND (TITLE:consumption OR TITLE:nutrition* OR TITLE:health OR TITLE:"food safety")supporting evidence4
PubMed26 October 2026(egg[ti] OR eggs[ti]) AND (harm*[ti] OR adverse[ti] OR toxic*[ti]) AND (humans[mh]) AND (systematic review[pt] OR meta-analysis[pt] OR umbrella[ti])supporting evidence1
Europe PMC26 October 2026TITLE:(egg*) AND (TITLE:"umbrella review" OR TITLE:"evidence mapping" OR TITLE:"overview of systematic reviews") AND (TITLE:health OR TITLE:outcomes)contradicting evidence5
WHO IRIS (fetch of guideline PDF)26 October 2026https://www.who.int/publications/i/item/9789240081864guidelines1

Open questions

None specific to the embryo argument.

How deeply was this checked?

7 linked studies: 2 checked in full text (1 of them with a structured risk-of-bias assessment), 5 on the basis of the abstract, 0 bibliographically only. No formal assessment with two independent reviewers and no independent human expert review has taken place yet.

Last scientific review: 26 October 2026

History of the verdict
  1. 25 October 2026 · Phase 1 · Initial assessment: Mostly false (low)
  2. 26 October 2026 · Phase 4 (systematic evidence review) · Verdict changed: Mostly false (low) → Mostly false (moderate)
    Verdict unchanged. Certainty raised to moderate because the factual premise is wrong (table eggs are unfertilised), a 2025 umbrella review found no association with CVD or all-cause mortality, and high-certainty randomized evidence shows that eggs given to infants are protective against egg allergy rather than harmful.
    New sources: I-EGG-130 I-EGG-101 I-EGG-105 I-EGG-106

In plain language

Dr. Elawady said that all eggs are harmful because they are embryos. Most eggs sold in shops are not fertilised and contain no embryo. The nutrients in eggs are not known to be harmful in normal amounts. Large studies in many countries did not find that eating up to one egg a day raises the risk of heart disease or death. The claim has no scientific support.

Studies on this claim

Studies supporting the claim (0)

No studies in this group.

Studies contradicting or limiting the claim (6)

  • Eggs and heart disease: 1.7 million people

    Drouin-Chartier JP et al.. BMJ 2020 · PMID 32132002 · DOI 10.1136/bmj.m513
    Meta-analysisindependent cross-checkfull text, structured risk-of-bias assessment★ key study

    Eating up to one egg a day was not linked to heart disease or stroke.

    All eggs (chicken, quail, pigeon, ostrich, etc.) are harmful because an egg is an embryo / contains the 'full components of a living organism'.

    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.

    Scientific details →

  • Eggs, cholesterol and heart disease in 50 countries

    Dehghan M et al.. Am J Clin Nutr 2020 · PMID 31965140 · DOI 10.1093/ajcn/nqz348
    Cohort studyindependent cross-checkabstract checked★ key study

    Eating an egg a day was not linked to cholesterol levels, heart disease or death.

    All eggs (chicken, quail, pigeon, ostrich, etc.) are harmful because an egg is an embryo / contains the 'full components of a living organism'.

    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.

    Scientific details →

  • Eggs and risk of death: 2.2 million people

    Mousavi SM et al.. Adv Nutr 2022 · PMID 35396834 · DOI 10.1093/advances/nmac040
    Meta-analysisindependent cross-checkabstract checked★ key study

    Egg intake was not linked to overall or heart deaths; a small link with cancer deaths was found.

    All eggs (chicken, quail, pigeon, ostrich, etc.) are harmful because an egg is an embryo / contains the 'full components of a living organism'.

    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.

    Scientific details →

  • Big overview: no good reason to avoid eggs

    Formisano E et al.. Nutr Metab Cardiovasc Dis 2025 · PMID 39934049 · DOI 10.1016/j.numecd.2025.103849
    Systematic reviewindependent cross-checkabstract checked★ key study

    Across 14 meta-analyses, eggs were not linked to heart disease or overall death; a few weak signals remain uncertain.

    No association with CVD or all-cause mortality; insufficient evidence to discourage eggs.

    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?

    Summarise all recent meta-analyses on eggs and health.

    How was the study done?

    Umbrella review.

    How many people, animals or samples were studied?

    14 meta-analyses.

    What was actually found?

    No CVD or mortality association; weak signals for some outcomes.

    How large was the observed effect?

    Heart failure RR 1.15; cancer mortality RR 1.13 (very weak evidence).

    What do the results mean in everyday life?

    Eggs can be part of a healthy diet.

    What are the study's limitations?

    Low quality of included reviews.

    What does it say about Elawady's specific claim?

    Contradicts a general egg ban.

    Do the results apply to Germany and Europe?

    High.

    What can explicitly not be concluded from this study?

    It cannot exclude small risks at very high intake.

    Scientific details →

  • Giving babies egg early lowers the chance of egg allergy

    Scarpone R et al.. JAMA Pediatr 2023 · PMID 36972063 · DOI 10.1001/jamapediatrics.2023.0142
    Meta-analysisindependent cross-checkfull text checked★ key study

    In 9 trials, babies who were given egg from 3-6 months were 40% less likely to develop egg allergy (RR 0.60).

    Eggs given to infants in trials reduced allergy; no general harm shown.

    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?

    Test whether early introduction of allergenic foods prevents food allergy.

    How was the study done?

    Meta-analysis of randomized trials with GRADE.

    How many people, animals or samples were studied?

    23 trials, 13,794 infants; 9 egg trials with 4,811 infants.

    What was actually found?

    Early egg introduction reduced egg allergy (RR 0.60, 0.46-0.77; high certainty).

    How large was the observed effect?

    About 22 fewer cases per 1000 infants when baseline risk is 5.4%.

    What do the results mean in everyday life?

    Keeping eggs away from babies does not protect them from egg allergy; well-cooked egg in the first year is recommended by allergy guidelines.

    What are the study's limitations?

    Mostly high-income countries; many families dropped out of multi-food interventions.

    What does it say about Elawady's specific claim?

    Contradicts a total egg ban for children.

    Do the results apply to Germany and Europe?

    Directly applicable.

    What can explicitly not be concluded from this study?

    It cannot show long-term effects on general health in low-income settings.

    Scientific details →

  • One egg a day helped babies in Ecuador grow

    Iannotti LL et al.. Pediatrics 2017 · PMID 28588101 · DOI 10.1542/peds.2016-3459
    Randomised controlled trialindependent cross-checkabstract checked★ key study

    Babies given an egg daily for 6 months had less stunting (PR 0.53) and no reported allergic reactions.

    Daily eggs in infants caused no reported harm and improved growth in this trial.

    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?

    Test eggs for child growth.

    How was the study done?

    Randomized trial.

    How many people, animals or samples were studied?

    163 infants aged 6-9 months.

    What was actually found?

    Better length and weight; less stunting.

    How large was the observed effect?

    LAZ +0.63; stunting -47%.

    What do the results mean in everyday life?

    Eggs can be a safe and useful food for babies.

    What are the study's limitations?

    Small, unblinded; not replicated in Malawi.

    What does it say about Elawady's specific claim?

    Contradicts the idea that eggs are harmful for children.

    Do the results apply to Germany and Europe?

    Limited (different nutrition context).

    What can explicitly not be concluded from this study?

    It cannot prove eggs improve growth everywhere.

    Scientific details →

Studies with mixed or unclear results (1)

  • An egg a day did not change growth in Malawian babies

    Stewart CP et al.. Am J Clin Nutr 2019 · PMID 31386106 · DOI 10.1093/ajcn/nqz163
    Randomised controlled trialindependent cross-checkabstract checked

    No overall effect on length or weight after 6 months.

    No growth benefit; no harm reported in abstract. Limits claims of benefit, does not support harm.

    Does the study support the specific claim? Unclear · 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?

    Test eggs for growth.

    How was the study done?

    Randomized trial.

    How many people, animals or samples were studied?

    660 infants.

    What was actually found?

    No effect on growth overall.

    How large was the observed effect?

    Head circumference z +0.18.

    What do the results mean in everyday life?

    Eggs are not a magic growth food, but nothing suggests they harmed the children.

    What are the study's limitations?

    Low stunting at baseline.

    What does it say about Elawady's specific claim?

    Neither supports nor clearly refutes harm; balances the Ecuador result.

    Do the results apply to Germany and Europe?

    Limited.

    What can explicitly not be concluded from this study?

    It cannot show that eggs are harmful.

    Scientific details →

Regional context

Germany / EU

In Germany and the EU, eggs are part of standard dietary guidance as a protein source; table eggs are generally unfertilised.

Egypt

The same biological facts apply. Backyard flocks with roosters can produce fertilised eggs; fertilisation itself is not a recognised health hazard.

What applies in my country?

General scientific assessment

Mostly false The 'egg is an embryo, therefore harmful' argument has no scientific basis: most eggs are unfertilised, and moderate egg intake is not linked to heart disease or death.

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

Choose a country to see the checked information for it.

Limits: legal rules describe what is allowed, not what every single food contains. Measurement data come from samples and are meaningful only together with their method details.

Country of residence or purchase Compare with another country

References

  1. 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
  2. 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
  3. 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
  4. Effect of egg consumption on health outcomes: An updated umbrella review of systematic reviews and meta-analysis of observational and intervention studies.. Formisano E et al.. Nutr Metab Cardiovasc Dis 2025 · PMID 39934049 · DOI 10.1016/j.numecd.2025.103849
  5. Timing of Allergenic Food Introduction and Risk of Immunoglobulin E-Mediated Food Allergy: A Systematic Review and Meta-analysis.. Scarpone R et al.. JAMA Pediatr 2023 · PMID 36972063 · DOI 10.1001/jamapediatrics.2023.0142
  6. Eggs in Early Complementary Feeding and Child Growth: A Randomized Controlled Trial.. Iannotti LL et al.. Pediatrics 2017 · PMID 28588101 · DOI 10.1542/peds.2016-3459
  7. The effect of eggs on early child growth in rural Malawi: the Mazira Project randomized controlled trial.. Stewart CP et al.. Am J Clin Nutr 2019 · PMID 31386106 · DOI 10.1093/ajcn/nqz163

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