A new study is challenging decades of dietary guidance that urged consumers to avoid full-fat dairy products. Researchers found that participants who consumed three daily servings of full-fat dairy over a 12-week period showed no worsening in weight, cholesterol levels, or insulin resistance—outcomes long cited as reasons to favor low-fat alternatives. The findings, published amid ongoing debate over saturated fat and cardiovascular health, add to a growing body of evidence questioning the scientific basis of longstanding recommendations to choose skim or low-fat dairy.
Beyond the absence of harm, researchers observed notable improvements in blood pressure and overall nutrient intake among participants. The results raise fresh questions about whether current dietary guidelines, which have shaped school lunch programs and public health messaging for generations, should be revisited. Nutrition experts cautioned that the study's 12-week duration limits conclusions about long-term health effects, and larger trials are needed to confirm the findings. Still, the research underscores how nutritional science continues to evolve, often overturning advice once presented as settled fact.
Independent reporting synthesized from primary wires and global correspondents.