Dairy Health Rethink.
University of Toronto Study Reassesses Full-Fat Dairy: Healthier Than Previously Thought, Offers Key Benefits.
A new University of Toronto study suggests full-fat dairy is not the health villain it was once thought to be, according to WCPO. The study tracked 74 overweight or obese adults and found that eating three servings of full-fat dairy a day caused no significant weight gain, no change in body composition, and no rise in cholesterol or insulin resistance.
Participants who ate more dairy actually saw improvements in blood pressure. They also took in more calcium, protein, and vitamin D, ABC15 reported. The findings push back on decades of dietary advice that told people to avoid full-fat dairy products.
What the Study Measured and Who Was Involved
The trial included 74 adults who were either overweight or obese. Researchers tracked what happened when participants ate three servings of full-fat dairy each day. They looked at weight, body fat, cholesterol levels, and insulin resistance — a measure of how well the body handles blood sugar, according to TMJ4.
None of those key markers got worse. That result surprised many nutrition experts, since full-fat dairy is high in saturated fat — the type long linked to heart disease. The study found that eating the food as a whole may matter more than the fat content alone, WTVR reported.
Higher Dairy Intake Tied to Blood Pressure Gains
Among participants who consumed the most dairy, blood pressure levels improved. They also got more of three key nutrients: calcium, protein, and vitamin D, according to Denver7. These are nutrients many Americans already fall short on in their daily diets.
Researchers said this nutrient boost may help explain the blood pressure benefit. Calcium and protein together can support heart and muscle health. The findings suggest that cutting full-fat dairy may actually cause people to miss out on important nutrition, NewsChannel5 reported.
Why Whole Foods Matter More Than Single Nutrients
The study's authors say nutrition science has spent too long focusing on single nutrients like saturated fat. Instead, they argue, researchers and doctors should look at whole foods. Full-fat dairy contains dozens of compounds that may work together in ways scientists don't fully understand yet, according to LEX18.
This "whole food lens" approach could reshape dietary guidelines in the future, WXYZ reported. Current U.S. guidelines still recommend low-fat or fat-free dairy. But studies like this one are adding pressure to revisit that advice with fresh evidence.
What This Means for People Watching Their Weight
For people who are overweight or obese — the exact group studied — the results are notable. Three daily servings of full-fat dairy did not make their weight or body fat worse, according to KPAX. That directly challenges a common reason people switch to low-fat versions of milk, yogurt, and cheese.
Experts caution that this was a small study of 74 people. Larger trials are needed before guidelines change. But the research adds to a growing body of work suggesting full-fat dairy deserves a second look, 3 News Now reported.
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