Milk intake (especially skim milk) causes acne in teenagers.
Original statement
وحب الشباب لدى المراهقين، وزيادة خطر باركنسون مع الحليب منزوع الدسم، كلها تنسجم مع المنظومة نفسها
not verbatim – paraphrase. Translation by the project; the Arabic wording is authoritative.
Translation
Milk intake (especially skim milk) causes acne in teenagers.
Origin
- Source status
- Archive editors
- Attribution
- Archive editors (eltayebat.com, rule 'dairy')
- Origin
- https://eltayebat.com/rule/dairy/
- Attribution uncertainty
- Editorial narrative and study selection by the archive operators, not shown to be Elawady's own words; the archive homepage says the forbidden section is documented 'independently of Dr. Diaa's words'.
- Claimed mechanism
Hormones and bioactive molecules in milk; IGF-1/insulin signalling.
- Claimed health effect
Acne.
- Population concerned
Adolescents and young adults.
- Geographic restriction by Elawady
none found
Scientific assessment
Potentially true – Some evidence points in favour of the statement, but it is not sufficient for a clear judgement.
Certainty of evidence: low – Further research is likely to change the assessment considerably.
1. What was claimed?
Milk leads to acne.
2. What is demonstrably correct?
A-DRY-07/08/09 found prevalence ratios of about 1.16-1.44 for high vs low milk intake; meta-analyses confirm associations (I-DRY-08: total milk OR 1.48; I-DRY-09: any milk OR 1.28).
3. What is wrong or exaggerated?
'Causes' is not established: data are observational, A-DRY-07 used recall of high-school diet decades later, and I-DRY-09 found publication bias and attenuated adjusted results. Acne is not a dangerous disease; the finding does not justify total dairy avoidance. A-DRY-07 also found cream cheese positively associated with acne, and I-DRY-09 found cheese (OR 1.22, borderline) and yogurt (OR 1.36) associated, whereas I-DRY-08 found no association for yogurt/cheese - so the evidence does not support a split between forbidden yogurt and allowed cheese.
4. What remains unclear?
Causality and dose; role of skim vs whole milk.
5. Which studies support it?
A-DRY-07, A-DRY-08, A-DRY-09, I-DRY-08, I-DRY-09.
6. Which studies contradict it?
No RCT evidence either way; limitations as listed.
7. What applies to Germany and Europe?
Dermatology guidelines generally regard diet as a possible but unproven factor (not separately verified).
8. What is known about Egypt?
No data.
9. What practical conclusion is appropriate?
Reducing milk may be a reasonable individual trial for acne-prone teenagers; it is not evidence that dairy is generally harmful.
Assessment details
- Rationale for certainty of evidence
Several observational studies and two meta-analyses show consistent associations for milk; no RCTs; self-reported acne and diet; publication bias and heterogeneity reported.
- Source quality
Archive editorial; figures correctly reported from A-DRY-07.
- Regional transferability
US/European/Asian observational data; plausible everywhere.
- Individual exceptions
Individuals with acne may test whether reducing milk helps.
- Regional scope of the claim
- general (biological/medical)
- Last reviewed
- 25 October 2026 provisional
In plain language
Studies of thousands of teenagers found that those who drank more milk reported acne somewhat more often. This is a fairly consistent finding, but it comes from questionnaires, not experiments, so it does not prove that milk causes acne. The studies do not clearly separate yogurt, which the system forbids, from cheese, which it allows. Teenagers with acne can try cutting down on milk, but this says little about dairy and serious disease.
Studies on this claim
Studies supporting the claim (5)
-
Nurses recalling high-school diet: milk linked to teenage acne
Adebamowo CA et al.. J Am Acad Dermatol 2005 · PMID 15692464 · DOI 10.1016/j.jaad.2004.08.007Cross-sectional studycited by the Tayebat archiveabstract only checked★ key studyTotal milk PR 1.22 (1.03-1.44)
Does the study support the specific claim? Partly · Methodological quality: low · Certainty of evidence: see overall assessment of the claim
Original publication · Scientific details
Study explained simply
- What did the researchers want to find out?
Milk and acne.
- How was the study done?
Retrospective analysis within a cohort (cross-sectional/recall design).
- How many people, animals or samples were studied?
47,355 women
- What was actually found?
More acne with more milk.
- How large was the observed effect?
Total milk PR 1.22 (1.03-1.44)
- What do the results mean in everyday life?
Small association with a minor condition.
- What are the study's limitations?
Self-report; observational.
- What does it say about Elawady's specific claim?
Supports an association.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Causation.
-
US girls: more milk, slightly more acne
Adebamowo CA et al.. Dermatol Online J 2006 · PMID 17083856Cohort studycited by the Tayebat archiveabstract only checkedHighest (>=2 servings/day) vs lowest (<1/week): total milk PR 1.20 (1.09-1.31), whole 1.19 (1.06-1.32), low-fat 1.17 (1.04-1.31), skim 1.19 (1.08-1.31).
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?
Milk and acne.
- How was the study done?
Prospective cohort with prevalence ratios.
- How many people, animals or samples were studied?
6,094 girls aged 9-15
- What was actually found?
More acne with more milk.
- How large was the observed effect?
Highest (>=2 servings/day) vs lowest (<1/week): total milk PR 1.20 (1.09-1.31), whole 1.19 (1.06-1.32), low-fat 1.17 (1.04-1.31), skim 1.19 (1.08-1.31).
- What do the results mean in everyday life?
Small association with a minor condition.
- What are the study's limitations?
Self-report; observational.
- What does it say about Elawady's specific claim?
Supports an association.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Causation.
-
US boys: skim milk linked to acne
Adebamowo CA et al.. J Am Acad Dermatol 2008 · PMID 18194824 · DOI 10.1016/j.jaad.2007.08.049Cohort studycited by the Tayebat archiveabstract only checkedHighest (>2 servings/day) vs lowest (<1/wk): total milk PR 1.16 (1.01-1.34), whole/2% 1.10 (0.94-1.28), low-fat 1.17 (0.99-1.39), skim 1.19 (1.01-1.40).
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?
Milk and acne.
- How was the study done?
Prospective cohort with prevalence ratios.
- How many people, animals or samples were studied?
4,273 boys
- What was actually found?
More acne with more milk.
- How large was the observed effect?
Highest (>2 servings/day) vs lowest (<1/wk): total milk PR 1.16 (1.01-1.34), whole/2% 1.10 (0.94-1.28), low-fat 1.17 (0.99-1.39), skim 1.19 (1.01-1.40).
- What do the results mean in everyday life?
Small association with a minor condition.
- What are the study's limitations?
Self-report; observational.
- What does it say about Elawady's specific claim?
Supports an association.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Causation.
-
Meta-analysis: milk linked to acne, yogurt and cheese not
Aghasi M et al.. Clin Nutr 2019 · PMID 29778512 · DOI 10.1016/j.clnu.2018.04.015Meta-analysisindependent cross-checkabstract only checkedTotal milk OR 1.48.
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?
Dairy and acne.
- How was the study done?
Meta-analysis.
- How many people, animals or samples were studied?
Observational studies.
- What was actually found?
Milk associated with acne.
- How large was the observed effect?
OR 1.48 (1.31-1.66).
- What do the results mean in everyday life?
Possible link.
- What are the study's limitations?
Observational.
- What does it say about Elawady's specific claim?
Supports association.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Causation.
-
78,529 young people: dairy of all kinds linked to acne
Juhl CR et al.. Nutrients 2018 · PMID 30096883 · DOI 10.3390/nu10081049Meta-analysisindependent cross-checkabstract only checkedAny dairy OR 1.25; cheese 1.22; yogurt 1.36.
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?
Dairy and acne.
- How was the study done?
Meta-analysis.
- How many people, animals or samples were studied?
78,529 young people.
- What was actually found?
All dairy types associated.
- How large was the observed effect?
OR 1.25 (1.15-1.36).
- What do the results mean in everyday life?
Possible link; cheese included.
- What are the study's limitations?
Publication bias.
- What does it say about Elawady's specific claim?
Supports association; no milk-vs-cheese split.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Causation.
No study in this group is marked as key.
Studies contradicting or limiting the claim (0)
No studies in this group.
Studies with mixed or unclear results (0)
No studies in this group.
Regional context
Germany / EU
Dermatology guidelines generally regard diet as a possible but unproven factor (not separately verified).
Egypt
No data.
What applies in my country?
General scientific assessment
Potentially true Milk intake is consistently associated with acne in observational studies, but causation is unproven and the data do not support the system's milk-versus-cheese split.
The following areas of food safety are relevant to this statement:
- Veterinary medicines and antibiotics
- Hormonal growth promoters
- Contaminants (heavy metals, PFAS, PCBs, dioxins, nitrate)
- Mycotoxins (mould toxins)
- Controls, imports, recalls, labelling
Dairy
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References
- High school dietary dairy intake and teenage acne.. Adebamowo CA et al.. J Am Acad Dermatol 2005 · PMID 15692464 · DOI 10.1016/j.jaad.2004.08.007
- Milk consumption and acne in adolescent girls.. Adebamowo CA et al.. Dermatol Online J 2006 · PMID 17083856
- Milk consumption and acne in teenaged boys.. Adebamowo CA et al.. J Am Acad Dermatol 2008 · PMID 18194824 · DOI 10.1016/j.jaad.2007.08.049
- Dairy intake and acne development: A meta-analysis of observational studies.. Aghasi M et al.. Clin Nutr 2019 · PMID 29778512 · DOI 10.1016/j.clnu.2018.04.015
- Dairy Intake and Acne Vulgaris: A Systematic Review and Meta-Analysis of 78,529 Children, Adolescents, and Young Adults.. Juhl CR et al.. Nutrients 2018 · PMID 30096883 · DOI 10.3390/nu10081049