Association between dairy intake and multiple health outcomes: a scoping review of systematic reviews and meta-analyses
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View abstract on PubMed
Summary
This summary is machine-generated.Consuming dairy foods is linked to a reduced risk of cardiovascular issues and certain cancers. Overall, dairy intake does not increase non-communicable disease risk and may offer health benefits.
Area Of Science
- Nutrition Science
- Epidemiology
- Public Health
Background
- Dairy foods are recognized for essential nutrients and protein.
- Growing non-communicable disease rates necessitate evaluating dairy's health impact.
- Dairy's cultural significance warrants ongoing research into its health effects.
Purpose Of The Study
- To systematically review the impact of bovine dairy consumption on adult health outcomes.
- To synthesize evidence on dairy's association with non-communicable diseases, mortality, and other health indicators.
Main Methods
- Systematic literature search across Medline, Embase, and Web of Science databases.
- Inclusion of systematic reviews (2014-2024) of RCTs, cohort, case-control, and cross-sectional studies.
- Inclusion of World Cancer Research Fund reports on cancer outcomes.
Main Results
- Analysis of 95 reports covering 5 dairy exposure categories and 29 health outcomes.
- 37.7% of associations showed reduced risk, 48.0% showed no association, 10.0% were inconclusive, and 4.3% indicated increased risk.
- Dairy consumption was not linked to increased non-communicable disease risk or mortality.
Conclusions
- Dairy intake is generally not associated with increased risk of non-communicable diseases.
- Dairy consumption may offer moderate risk reduction for cardiovascular outcomes and specific cancers.
- Evidence suggests dairy may improve body composition, lower type 2 diabetes risk, and enhance bone health.
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