Study Links Regular Milk Consumption to Increased Heart Disease Risk in Women
Regular milk consumption may increase heart disease risk in women, but not men, according to a recent Swedish study of 100,000 participants.
The research found that women who consumed 300 milliliters (1.5 glasses) or more of nonfermented milk daily showed a higher risk of ischemic heart disease and heart attacks compared to those drinking just 100 milliliters (half glass).
Electric milk frother on dark background
Key Findings:
- Women drinking 4 glasses of nonfermented milk daily had a 21% higher risk of developing ischemic heart disease compared to those consuming half a glass
- Results were consistent across all milk fat percentages
- Fermented milk products (yogurt, sour milk) showed no increased heart disease risk for either gender
- Men showed no increased heart disease risk from any type of milk consumption
The biological mechanism may involve sex-specific differences in how milk components are metabolized. Women consuming higher amounts of nonfermented milk showed:
- Higher levels of ACE-2 (associated with increased cardiovascular mortality)
- Lower levels of FGF21 (linked to heart damage)
Fermented milk's protective benefits may stem from:
- Beneficial bacteria like Lactobacillus
- Positive effects on gut microbiome
- Rich in vitamins B12, D, riboflavin, calcium, magnesium, and protein
- Anti-inflammatory properties
- Better blood sugar regulation
While more research is needed, these findings suggest dietary guidelines may need to emphasize fermented milk products over regular milk, especially for women concerned about heart health.
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