Dairy products harm health and cause inflammation.
Original statement
اللبن يمثل بديلاً للدم ويحمل كل الهرمونات والمبيدات؛ تناول بعض الأطعمة مثل الفول ومنتجات الألبان يضر بالصحة ويسبب الالتهابات، ويحذّر من منتجات الألبان لاحتوائها على هرمونات ومضادات حيوية.
not verbatim – paraphrase. Translation by the project; the Arabic wording is authoritative.
Translation
Dairy products harm health and cause inflammation.
Origin
- Source status
- Archive quote (no location given)
- Attribution
- Elawady (archive paraphrase; source video not given)
- Origin
- https://eltayebat.com/rule/dairy/
- Attribution uncertainty
- The archive attributes this text to Dr. Diaa in its 'د. ضياء يقول' box but gives no video reference. Transcript check (the project's research files, keyword search of 307 archive transcripts): similar_idea_only. Harm from milk (milk carries 'all the hormones with the pesticides') is found in 5wnYzF71Hl4. The statement that dairy 'causes inflammation', and the combination 'fava beans and dairy products harm health and cause inflammation', were not found in one passage.
- Claimed mechanism
Not specified in the quote; the archive narrative refers to IL-6 and oxidative-stress markers (A-DRY-01) and to A1 beta-casein (A-DRY-10).
- Claimed health effect
Chronic inflammation and general harm.
- Population concerned
Everyone.
- Geographic restriction by Elawady
none found
Diverging source versions
اللبن بكل انواعه والزبادي والكريمة واللبنة ممنوعة — تسبب الانتفاخ
- Source status
- Third-party site (unofficial)
- Attribution
- Third-party site mytayibat.com (unofficial)
- Origin
- https://mytayibat.com/forbidden
- Attribution uncertainty
- Unofficial site; lowest attribution level.
الاكل اللي انا اكلته اه والكبده اكتر طب واللبن اكتر واكتر اللبن اللبن شايل كل الهرمونات بالمبيدات فوق باشا انت واخد عين الدم بتشربها ببساطه يعني
...the food I ate, yes, and the liver more so; and milk even more and more; milk carries all the hormones, with the pesticides on top, sir; you are simply drinking the very blood.
- Source status
- Video transcript (own words)
- Attribution
- Elawady (machine transcript)
- Video
- الضغط الجوي atmospheric pressure وضغط البطن وعلاقته بأعراضك #ضياء_العوضي (Open source)
- Published
- 9 January 2026
- Timestamp
- 0:01:22 (location in the original video’s automatic YouTube caption track; confirms where the words occur, not who speaks)
- Attribution uncertainty
- Archive transcript (YouTube CC or AI-generated); no timestamps; YouTube original not checked; wording may contain recognition errors. Similar idea only: harm of milk via hormones/pesticides; 'inflammation' not in this passage.
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?
Dairy in general causes inflammation and harms health.
2. What is demonstrably correct?
In people allergic to cow's milk protein, dairy is pro-inflammatory (I-DRY-19). In cross-sectional subsamples of the Swedish cohort, higher non-fermented milk intake was associated with higher urinary 8-iso-PGF2a (both sexes) and serum IL-6 (measured only in men) (A-DRY-01). In an industry-funded trial, conventional (A1+A2) milk raised some immune markers and worsened symptoms compared with A2-only milk (A-DRY-10). Lactose malabsorption is common and can cause bloating (I-DRY-14).
3. What is wrong or exaggerated?
For the general population, a meta-analysis of 11 RCTs found that higher dairy intake slightly lowered CRP, TNF-alpha and IL-6 (I-DRY-18), and a systematic review of 52 clinical trials found an overall anti-inflammatory score, including for fermented products (I-DRY-19). In the same Swedish cohort, fermented milk was inversely associated with the same markers and cheese was not associated (A-DRY-01). In the A1/A2 trial, A2-only milk caused no worsening of symptoms, transit or biomarkers versus the dairy-free baseline, and hs-CRP did not differ between milks (A-DRY-10), so the trial does not show that dairy in general causes inflammation. Bloating is not the same as inflammation.
4. What remains unclear?
Long-term clinical relevance of the small biomarker changes; effects by dairy type and fat content.
5. Which studies support it?
None for dairy in general. Partial: A-DRY-01 (cross-sectional association of non-fermented milk with IL-6 and 8-iso-PGF2a); A-DRY-10 (A1+A2 vs A2-only milk in self-reported intolerant Chinese adults, industry-funded).
6. Which studies contradict it?
I-DRY-18 (meta-analysis of RCTs: CRP -0.24 mg/L, IL-6 -0.74 pg/mL with high dairy; effects null in cross-over trials); I-DRY-19 (52 trials; anti-inflammatory overall, pro-inflammatory only in milk-allergic subjects); I-DRY-117 (14 trials of yogurt/fermented milk: CRP slightly lower); I-DRY-115 (milk did not raise calprotectin or hs-CRP compared with a milk-free period); I-DRY-125 (6-week RCT: no rise in IL-6, TNF-alpha lower; men showed less favourable changes); I-DRY-106 (PURE, 21 countries: higher dairy associated with lower mortality and CVD); I-DRY-122 (Nordic guideline review: dairy compatible with a healthy diet); A-DRY-01 (fermented milk inversely, cheese not associated); A-DRY-10 (A2 milk no worse than dairy-free baseline).
7. What applies to Germany and Europe?
No European body classifies dairy as pro-inflammatory for the general population (not separately verified here).
8. What is known about Egypt?
No Egypt-specific data found.
9. What practical conclusion is appropriate?
A general claim that dairy causes inflammation is not supported; individual allergy or intolerance must be distinguished from general risk.
Assessment details
- Rationale for certainty of evidence
Several randomised-trial meta-analyses (I-DRY-18, I-DRY-19, I-DRY-117) and recent crossover RCTs (I-DRY-115, I-DRY-125) consistently show that dairy does not raise inflammatory markers on average in people without milk allergy, and large cohorts and guideline reviews (I-DRY-106, I-DRY-122) do not show general health harm. Markers are surrogates and trials are short, so certainty is moderate rather than high; inflammation is real in people with milk allergy.
- Source quality
Archive paraphrase; the archive's own data are observational and limited to non-fermented milk (A-DRY-01) or compare two kinds of milk in an industry-funded trial (A-DRY-10).
- Regional transferability
Biological question; applicable to Egypt and Europe alike.
- Individual exceptions
Cow's milk protein allergy (clearly pro-inflammatory, I-DRY-19); lactose malabsorption causes symptoms (bloating) but is not systemic inflammation.
- 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: In the general adult population, does dairy consumption increase systemic inflammation or harm health?
Research question in detail (PICO)
- Population
- Adults without milk allergy
- Intervention or exposure
- Higher dairy intake (milk, yogurt, cheese)
- Comparison
- Low or no dairy
- Geographic scope
- universal biology
- Outcomes
- Inflammatory biomarkers (CRP, IL-6, TNF-alpha)
- Mortality and cardiovascular disease
Study results as reported by the authors. Our assessment follows below.
What speaks for the claim?
Swedish study: very high milk intake linked to earlier death in women
Michaëlsson K et al.. BMJ 2014 · PMID 25352269 · DOI 10.1136/bmj.g6015 Cohort studyfull text, structured risk-of-bias assessmentIn Swedish cohort subsamples, higher non-fermented milk intake was associated with higher urinary 8-iso-PGF2a and serum IL-6.
- Actual result
- Cross-sectional associations (existing record).
- Methodological quality
- low (cross-sectional subsample)
- Relevance
- indirect
- Limitations
- Fermented milk inversely associated; confounding.
Six weeks of more dairy did not raise the main inflammation marker
Prowting JL et al.. J Nutr 2026 · PMID 41176279 · DOI 10.1016/j.tjnut.2025.10.040 Randomised controlled trialabstract checkednewly addedIn a 6-week RCT, men showed higher IL-6 and TNF-alpha during the high-dairy period (subgroup).
- Actual result
- Sex-by-condition interactions P=0.011 (IL-6), P<0.001 (TNF-alpha).
- Methodological quality
- low (exploratory subgroup of 12 men)
- Relevance
- direct but subgroup
- Limitations
- Primary endpoint null; multiplicity; industry links.
What speaks against the claim?
Trials: dairy does not raise inflammation markers
Moosavian SP et al.. Nutr Metab Cardiovasc Dis 2020 · PMID 32409275 · DOI 10.1016/j.numecd.2020.01.011 Meta-analysisabstract checkedMeta-analysis of 11 RCTs: higher dairy intake slightly lowered CRP, TNF-alpha and IL-6.
- Actual result
- CRP -0.24 mg/L; IL-6 -0.74 pg/mL (existing record).
- Methodological quality
- moderate (RCT meta-analysis, surrogate outcomes)
- Relevance
- direct
- Limitations
- Short trials.
Yogurt and fermented milk do not raise inflammation
Zhang X et al.. Nutr Metab Cardiovasc Dis 2023 · PMID 36710113 · DOI 10.1016/j.numecd.2022.12.014 Meta-analysisabstract checkednewly addedMeta-analysis of 14 trials of yogurt/fermented milk: CRP slightly lower, other cytokines unchanged.
- Actual result
- CRP SMD -0.21 (-0.40 to -0.02).
- Methodological quality
- moderate
- Relevance
- direct
- Limitations
- Few small trials.
Dairy linked to fewer deaths and strokes in 21 countries
Dehghan M et al.. Lancet 2018 · PMID 30217460 · DOI 10.1016/S0140-6736(18)31812-9 Cohort studyabstract checkednewly addedPURE (21 countries): >2 dairy servings/day associated with lower mortality and major CVD.
- Actual result
- Mortality HR 0.83 (0.72-0.96); major CVD 0.78 (0.67-0.90).
- Methodological quality
- moderate (large cohort)
- Relevance
- direct for 'harms health'
- Limitations
- Observational; socioeconomic confounding.
What does the overall evidence say?
Editorial assessment based on the studies above – not itself a study result.
Which position is better supported?
Dairy does not cause systemic inflammation in people without milk allergy; on average inflammatory markers are unchanged or slightly lower.
Why some studies weigh more
Several RCT meta-analyses and recent RCTs (I-DRY-18, I-DRY-117, I-DRY-115, I-DRY-125) outweigh cross-sectional associations; large cohorts and guideline reviews (I-DRY-106, I-DRY-122) show no general health harm.
Is a causal relationship established? Not established No causal pro-inflammatory effect in non-allergic people has been shown; allergy is a separate, established mechanism.
Remaining uncertainty
Possible sex differences (I-DRY-125); long-term relevance of small biomarker changes.
Justified conclusion
The general claim is false; cow's milk allergy and lactose intolerance are real individual reasons to avoid dairy.
Why do studies seem to disagree?
Cross-sectional data (A-DRY-01) and a male subgroup (I-DRY-125) point the other way, but they are weaker designs; randomised evidence is consistent in showing no increase.
Does this depend on the country?
- General biological effects
- Immune effects of dairy are biological and transferable.
- Eating habits
- Lactose malabsorption is common in the Middle East; symptoms are not systemic inflammation.
A regional difference that changes the conclusion is not supported by robust data.
Statistical re-check
- CI log-symmetry for PURE estimates – All symmetric (ratio 0.94-1.04). recalculated
Certainty of the overall evidence (GRADE, simplified)
- Main outcome
- Inflammatory biomarkers with higher dairy intake (non-allergic adults)
- Starting level
- high (randomised trials)
- Reasons for downgrading
- indirectness (surrogate markers)
- imprecision (small trials)
- 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
- NHS (England): Dairy and alternatives in your diet (2026) · Original publication
Milk, cheese and yoghurt are good sources of protein and calcium; calcium is important in pregnancy for the baby's bones; dairy important for children under 5; cow's milk not suitable as main drink under 1 year; fortified plant alternatives acceptable (I-DRY-123). - USDA/HHS: Dietary Guidelines for Americans, 2025-2030 (2026) · Original publication
Dairy 3 servings/day (full-fat, no added sugar); full-fat dairy important for children; calcium-rich dairy in pregnancy; olive oil prioritised for cooking, butter or beef tallow as other options; saturated fat should not exceed 10% of daily calories (I-DRY-101).
Search strategy
Documented literature searches for this review (search strings in the original database syntax).
| Database | Date | Search | Looking for | Hits | Included |
|---|---|---|---|---|---|
| PubMed | 26 October 2026 | (dairy[tiab] OR milk[tiab]) AND (inflammat*[tiab]) AND (CRP[tiab] OR "C-reactive protein"[tiab]) AND meta-analysis[pt] AND 2020:2026[dp] | contradicting evidence | 10 | |
| Europe PMC | 26 October 2026 | (dairy OR milk) AND ("pro-inflammatory" OR "increased inflammation" OR "inflammatory markers") AND (positive association OR increased) AND (cohort OR cross-sectional) | supporting evidence | 20975 | |
| PubMed | 26 October 2026 | (dairy[ti] OR milk[ti]) AND (inflammation[ti] OR inflammatory[ti]) AND (adverse[tiab] OR increase*[tiab]) AND (humans[mh]) | supporting evidence | 114 | |
| Europe PMC | 26 October 2026 | (dairy OR milk) AND "prostate cancer" AND ("Mendelian randomization" OR "Mendelian randomisation") | both directions | 300 | |
| Europe PMC | 26 October 2026 | (dairy) AND (mortality OR "cardiovascular") AND ("Prospective Urban Rural Epidemiology" OR PURE) AND (countries) | contradicting evidence | 3940 | |
| PubMed | 26 October 2026 | Dehghan M[au] AND dairy[ti] AND Lancet[ta] | contradicting evidence | 1 | |
| PubMed | 26 October 2026 | ("A2"[tiab] AND "beta-casein"[tiab] OR "β-casein"[tiab] AND A2[tiab]) AND (randomized[tiab] OR randomised[tiab] OR crossover[tiab]) AND 2018:2026[dp] | both directions | 21 |
Open questions
Sex-specific responses; effects in people with inflammatory diseases.
How deeply was this checked?
10 linked studies: 4 checked in full text (3 of them with a structured risk-of-bias assessment), 6 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
- 25 October 2026 · Phase 1 · Initial assessment: Mostly false (low)
- 26 October 2026 · Phase 4 (systematic evidence review) · Verdict changed: Mostly false (low) → Mostly false (moderate)
Additional RCT evidence (fermented-dairy meta-analysis I-DRY-117, RCTs I-DRY-115 and I-DRY-125) and large multinational cohort data (I-DRY-106) consistently show no pro-inflammatory effect on average; certainty for the main outcome is raised from low to moderate.
New sources: I-DRY-106 I-DRY-115 I-DRY-117 I-DRY-122 I-DRY-125
In plain language
Trials in which people were given more or less dairy did not show that dairy raises inflammation in the blood; on average, markers were slightly lower or unchanged. People who are allergic to milk protein do react with inflammation, and many adults in the Middle East digest lactose poorly and may get bloating. These are individual problems, not proof that dairy inflames everyone. One Swedish observational study found higher inflammation markers in heavy milk drinkers, but lower markers in people who ate more fermented milk such as yogurt.
Studies on this claim
Studies supporting the claim (0)
No studies in this group.
Studies contradicting or limiting the claim (7)
-
Trials: dairy does not raise inflammation markers
Moosavian SP et al.. Nutr Metab Cardiovasc Dis 2020 · PMID 32409275 · DOI 10.1016/j.numecd.2020.01.011Meta-analysisindependent cross-checkabstract checked★ key studyCRP slightly lower (-0.24 mg/L) with more dairy; no effect in cross-over trials.
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?
Dairy and inflammation.
- How was the study done?
Meta-analysis of 11 RCTs.
- How many people, animals or samples were studied?
663 adults.
- What was actually found?
Neutral to slightly favourable.
- How large was the observed effect?
CRP -0.24 mg/L.
- What do the results mean in everyday life?
Dairy does not inflame the average person.
- What are the study's limitations?
Small, short trials.
- What does it say about Elawady's specific claim?
Contradicts the claim.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Effects in allergic people.
-
52 trials: dairy anti-inflammatory except in milk allergy
Bordoni A et al.. Crit Rev Food Sci Nutr 2017 · PMID 26287637 · DOI 10.1080/10408398.2014.967385Systematic reviewindependent cross-checkabstract checkedOverall anti-inflammatory score; pro-inflammatory only in allergic people.
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?
Dairy and inflammation.
- How was the study done?
Systematic review.
- How many people, animals or samples were studied?
52 trials.
- What was actually found?
Anti-inflammatory overall.
- How large was the observed effect?
Score only.
- What do the results mean in everyday life?
Allergy is the exception.
- What are the study's limitations?
Scoring method.
- What does it say about Elawady's specific claim?
Contradicts the general claim.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
Precise effect sizes.
-
Yogurt and fermented milk do not raise inflammation
Zhang X et al.. Nutr Metab Cardiovasc Dis 2023 · PMID 36710113 · DOI 10.1016/j.numecd.2022.12.014Meta-analysisindependent cross-checkabstract checkedCRP slightly lower (SMD -0.21) across 14 trials.
Fermented dairy lowers CRP slightly.
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 fermented dairy and inflammation.
- How was the study done?
Meta-analysis of trials.
- How many people, animals or samples were studied?
14 trials.
- What was actually found?
CRP slightly down; most markers unchanged.
- How large was the observed effect?
CRP SMD -0.21.
- What do the results mean in everyday life?
Yogurt does not inflame.
- What are the study's limitations?
Few small trials.
- What does it say about Elawady's specific claim?
Contradicts the claim.
- Do the results apply to Germany and Europe?
Applicable.
- What can explicitly not be concluded from this study?
Cannot show disease outcomes.
-
Lactose, not the A1 protein, explained milk symptoms
Mannila E et al.. J Dairy Sci 2025 · PMID 40614809 · DOI 10.3168/jds.2025-26712Randomised controlled trialindependent cross-checkabstract checkedNo difference between A2 and A1 milk in lactose-tolerant people; no rise in inflammation markers.
Milk did not raise calprotectin or hs-CRP vs milk-free run-in.
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?
Separate lactose from A1 protein effects.
- How was the study done?
Crossover RCT.
- How many people, animals or samples were studied?
36 adults.
- What was actually found?
Lactose mattered; A1 did not.
- How large was the observed effect?
No significant differences.
- What do the results mean in everyday life?
Lactose-free milk may help sensitive people.
- What are the study's limitations?
Very short and small.
- What does it say about Elawady's specific claim?
Contradicts A1-inflammation claim.
- Do the results apply to Germany and Europe?
Applicable.
- What can explicitly not be concluded from this study?
Cannot rule out long-term effects.
-
Dairy linked to fewer deaths and strokes in 21 countries
Dehghan M et al.. Lancet 2018 · PMID 30217460 · DOI 10.1016/S0140-6736(18)31812-9Cohort studyindependent cross-checkabstract checked★ key studyMore than 2 servings/day: 17% lower mortality, 34% lower stroke risk than no dairy.
No general health harm; lower CVD and stroke.
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?
Study dairy and heart disease/death worldwide.
- How was the study done?
Prospective cohort.
- How many people, animals or samples were studied?
136,384 adults, 21 countries.
- What was actually found?
More dairy, milk and yogurt linked to lower death and CVD.
- How large was the observed effect?
Mortality HR 0.83 (0.72-0.96).
- What do the results mean in everyday life?
Moderate dairy is not linked to earlier death.
- What are the study's limitations?
Observational; one diet questionnaire.
- What does it say about Elawady's specific claim?
Contradicts claims that dairy shortens life.
- Do the results apply to Germany and Europe?
Global; applicable.
- What can explicitly not be concluded from this study?
Cannot prove that dairy prevents deaths.
-
Nordic guideline review: dairy fits a healthy diet
Bjorklund Holven K et al.. Food Nutr Res 2024 · PMID 39781268 · DOI 10.29219/fnr.v68.10486Systematic reviewindependent cross-checkfull text checkedNo increased heart disease risk; lower bowel cancer; limited prostate signal.
No general harm; fermented dairy favourable.
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 dairy evidence for Nordic guidelines.
- How was the study done?
Scoping review.
- How many people, animals or samples were studied?
Many systematic reviews.
- What was actually found?
Dairy not harmful for heart; helpful for calcium.
- How large was the observed effect?
Narrative.
- What do the results mean in everyday life?
Dairy can be part of healthy eating.
- What are the study's limitations?
Not graded.
- What does it say about Elawady's specific claim?
Contradicts general harm.
- Do the results apply to Germany and Europe?
Applicable.
- What can explicitly not be concluded from this study?
Cannot rank individual dairy types precisely.
-
Six weeks of more dairy did not raise the main inflammation marker
Prowting JL et al.. J Nutr 2026 · PMID 41176279 · DOI 10.1016/j.tjnut.2025.10.040Randomised controlled trialindependent cross-checkabstract checkedIL-6 unchanged; TNF-alpha down; men showed some opposite changes.
No IL-6 increase; TNF-alpha decreased; male subgroup less favourable.
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 dairy and inflammation in people with obesity.
- How was the study done?
Randomised crossover trial.
- How many people, animals or samples were studied?
30 adults.
- What was actually found?
No rise in IL-6; some markers improved.
- How large was the observed effect?
TNF-alpha P=0.042.
- What do the results mean in everyday life?
Dairy did not inflame on average.
- What are the study's limitations?
Small, short; industry links.
- What does it say about Elawady's specific claim?
Contradicts the claim on average.
- Do the results apply to Germany and Europe?
Applicable.
- What can explicitly not be concluded from this study?
Cannot show long-term effects.
No study in this group is marked as key.
Studies with mixed or unclear results (3)
-
Lactose intolerance is common and managed by reducing lactose
Facioni MS et al.. J Transl Med 2020 · PMID 32590986 · DOI 10.1186/s12967-020-02429-2Narrative reviewindependent cross-checkfull text, structured risk-of-bias assessmentMost adults worldwide produce less lactase, but most lactose-intolerant people tolerate small amounts of lactose and usually yogurt; avoiding all dairy may harm bones.
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?
Diet in lactose intolerance.
- How was the study done?
Narrative review.
- How many people, animals or samples were studied?
n/a
- What was actually found?
Reduce lactose individually; yogurt is usually tolerated; aged hard cheeses are near lactose-free while cream and fresh cheeses contain more lactose; avoid unnecessary total exclusion.
- How large was the observed effect?
70% limited lactase (stated).
- What do the results mean in everyday life?
Individual tolerance matters.
- What are the study's limitations?
Narrative; COI.
- What does it say about Elawady's specific claim?
Supports individual, not general, avoidance.
- Do the results apply to Germany and Europe?
Moderate.
- What can explicitly not be concluded from this study?
General harm of dairy; that yogurt is less tolerable than aged cheese or cream.
-
Swedish study: very high milk intake linked to earlier death in women
Michaëlsson K et al.. BMJ 2014 · PMID 25352269 · DOI 10.1136/bmj.g6015Cohort studycited by the Tayebat archivefull text, structured risk-of-bias assessment★ key studyWomen drinking 3 or more glasses a day had a 1.93-fold mortality hazard compared with less than 1 glass (17.7 vs 10.7 deaths per 1,000 person-years); no fewer hip fractures. Yogurt/fermented milk and cheese showed the opposite: lower mortality.
Observational IL-6/8-iso-PGF2a association only.
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?
Check whether high milk intake is linked with death and fractures.
- How was the study done?
Two large cohorts followed for 11-20 years using diet questionnaires.
- How many people, animals or samples were studied?
61,433 women and 45,339 men in Sweden.
- What was actually found?
More milk was linked with higher mortality, especially in women, and not with fewer fractures; yogurt/soured milk and cheese were linked with lower mortality and fewer hip fractures in women.
- How large was the observed effect?
Women HR 1.93 (1.80-2.06) for >=3 vs <1 glass/day (absolute 17.7 vs 10.7 per 1,000 person-years); per glass HR 1.15 women, 1.03 men.
- What do the results mean in everyday life?
A warning signal for very high milk intake, not proof of harm.
- What are the study's limitations?
Observational; confounding and reverse causation possible; female estimates stronger partly due to repeated measurement; biomarker data cross-sectional; authors ask for caution.
- What does it say about Elawady's specific claim?
Supports the archive figures but not a causal claim.
- Do the results apply to Germany and Europe?
European data; intakes higher than average.
- What can explicitly not be concluded from this study?
That milk causes death or fractures; that yogurt or other fermented dairy is harmful (the study suggests the opposite).
-
Small company-funded trial: A2 milk caused fewer stomach complaints
Jianqin S et al.. Nutr J 2016 · PMID 27039383 · DOI 10.1186/s12937-016-0147-zRandomised controlled trialcited by the Tayebat archivefull text, structured risk-of-bias assessment★ key studyPeople who felt milk did not agree with them had more symptoms with ordinary milk than with A2 milk.
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?
Compare A1+A2 vs A2-only milk.
- How was the study done?
Double-blind crossover, 2 weeks per milk.
- How many people, animals or samples were studied?
45 Chinese adults with self-reported intolerance.
- What was actually found?
More bloating, flatulence, longer colonic transit (+6.6 h) and small changes in immune markers with ordinary milk than with A2 milk; CRP unchanged; A2 milk caused no worsening.
- How large was the observed effect?
Colonic transit +6.6 h; IL-4 +2.5 ng/L; IgE +6 IU/mL; hs-CRP not significant.
- What do the results mean in everyday life?
Some people may tolerate A2 milk better.
- What are the study's limitations?
Funded and partly designed by the A2 milk company; small; 2 weeks; many outcomes; some planned measurements (BCM-7) not reported in main text.
- What does it say about Elawady's specific claim?
Supports A1-vs-A2 differences, not avoiding dairy.
- Do the results apply to Germany and Europe?
Low.
- What can explicitly not be concluded from this study?
That milk inflames everyone; that dairy should be avoided; that BCM-7 was shown to rise (not reported in main text).
No study in this group is marked as key.
Regional context
Germany / EU
No European body classifies dairy as pro-inflammatory for the general population (not separately verified here).
Egypt
No Egypt-specific data found.
What applies in my country?
General scientific assessment
Mostly false Randomised trials show that dairy does not cause inflammation in people without milk allergy, and large studies do not show general health harm; milk allergy and lactose intolerance are real individual reasons to avoid it.
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
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
- Effects of dairy products consumption on inflammatory biomarkers among adults: A systematic review and meta-analysis of randomized controlled trials.. Moosavian SP et al.. Nutr Metab Cardiovasc Dis 2020 · PMID 32409275 · DOI 10.1016/j.numecd.2020.01.011
- Dairy products and inflammation: A review of the clinical evidence.. Bordoni A et al.. Crit Rev Food Sci Nutr 2017 · PMID 26287637 · DOI 10.1080/10408398.2014.967385
- Effects of fermented dairy products on inflammatory biomarkers: A meta-analysis.. Zhang X et al.. Nutr Metab Cardiovasc Dis 2023 · PMID 36710113 · DOI 10.1016/j.numecd.2022.12.014
- Tolerance of protein-hydrolyzed lactose-free A1 milk and A2 milk in lactose-tolerant and lactose-intolerant volunteers: A randomized crossover trial with 2 parallel groups.. Mannila E et al.. J Dairy Sci 2025 · PMID 40614809 · DOI 10.3168/jds.2025-26712
- Association of dairy intake with cardiovascular disease and mortality in 21 countries from five continents (PURE): a prospective cohort study.. Dehghan M et al.. Lancet 2018 · PMID 30217460 · DOI 10.1016/S0140-6736(18)31812-9
- Milk and dairy products - a scoping review for Nordic Nutrition Recommendations 2023.. Bjorklund Holven K et al.. Food Nutr Res 2024 · PMID 39781268 · DOI 10.29219/fnr.v68.10486
- Inflammatory Cytokine Responses to 6 Wks of Increased Dairy Intake in Individuals with Overweight and Obesity-A Randomized Crossover Trial.. Prowting JL et al.. J Nutr 2026 · PMID 41176279 · DOI 10.1016/j.tjnut.2025.10.040
- Nutritional management of lactose intolerance: the importance of diet and food labelling.. Facioni MS et al.. J Transl Med 2020 · PMID 32590986 · DOI 10.1186/s12967-020-02429-2
- Milk intake and risk of mortality and fractures in women and men: cohort studies.. Michaëlsson K et al.. BMJ 2014 · PMID 25352269 · DOI 10.1136/bmj.g6015
- Effects of milk containing only A2 beta casein versus milk containing both A1 and A2 beta casein proteins on gastrointestinal physiology, symptoms of discomfort, and cognitive behavior of people with self-reported intolerance to traditional cows' milk.. Jianqin S et al.. Nutr J 2016 · PMID 27039383 · DOI 10.1186/s12937-016-0147-z