Full-fat dairy may not harm weight or cholesterol, study finds

Contrary to common belief, consuming full-fat dairy products such as milk, yogurt, and cheese might not lead to weight gain or elevated cholesterol levels. New research indicates that these products could even offer benefits, with participants showing improved blood pressure after regular consumption.

The findings stem from a 12-week study conducted by researchers at the University of Toronto, involving 74 adults who were overweight or obese. The study aimed to investigate the effects of full-fat dairy, which has often been perceived as less healthy than low-fat alternatives due to its saturated fat content.

Participants were divided into three groups. One group reduced their dairy intake and limited overall calorie consumption. Another group consumed dairy three times a day while maintaining their calorie intake. The third group also consumed dairy three times daily but without any calorie restrictions.

After 12 weeks, the study found no significant differences in weight, body composition, or cholesterol levels among the three groups. Notably, there was no evidence of worsened blood cholesterol or lipid levels, nor an increase in insulin resistance, among those who consumed full-fat dairy regularly. Instead, the group with higher dairy consumption experienced improvements in blood pressure and had higher intakes of calcium, vitamin D, and protein.

Lead researcher Harvey Anderson from the University of Toronto explained that dairy products contain a complex mix of nutrients, including casein and whey proteins, fats, and other vitamins, which work together. The study suggests that focusing on the entire nutritional profile of a food, rather than isolating single nutrients, is crucial for understanding its health impact. However, the researchers acknowledge that the study's sample size and duration are limited, and further research is needed to confirm these long-term effects.

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