In a study published in the journal Circulation, people who consumed full-fat dairy products were having 46% reduced risk of developing diabetes over the time of the 15-year study than people who chose skimmed milk, low-fat yogurt and low-fat cheese.
The study was based on the analysis of blood tests that showed biomarkers of full-fat dairy consumption. In the second study, more than 18,000 middle-age women who were part of the Women's Health Study were studied.
It was found that those who ate more high-fat dairy were having an 8% reduced risk of becoming obese over the time than those who ate less.
Study author Susanne Rautiainen from Brigham and Women's Hospital and Harvard Medical School in Boston mentioned, “We saw less weight gain for higher total dairy and high-fat dairy intake and also a lower risk of becoming overweight and obese in those who consumed more high-fat dairy”.
As per the US Dietary Guidelines, saturated fat consumption should be kept to less than 10% of calories per day. Nutrition experts affirmed that bring a change in the dietary guidelines will be a premature idea at this point, but they should be re-evaluated.
Dr. Dariush Mozaffarian, Dean of Tufts Friedman School of Nutrition Science & Policy and author of the first study, said that their findings suggest that national guidelines focusing on low-fat dairy needs to be reassessed. There should be provision of flexibility for individual consumers to select either whole or reduced fat milk.
According to a report from the HuffingtonPost, " The researchers found that when they compared the people with the lowest levels of dairy fats in their blood with the people who had the highest levels - they actually saw that the people in the high-fat group had a more than 40 percent lower risk of developing diabetes. It's not known exactly why this would be, but one theory is that dairy fats can help improve the body's sensitivity to insulin (in diabetes the body becomes less sensitive to insulin)."
The second study looked at the relationship between dairy consumption and the likelihood of becoming overweight or obese in over 8,000 people from the Women's Health Study. Participants in this study completed a questionnaire about how much and how often they ate different types of dairy foods and were then followed, on average, for over a decade. The researchers found that people who said they ate the highest fat dairy products actually had an 8 percent lower risk of becoming overweight or obese than the people who ate low-fat products.
In other news CBS News reported, "We saw less weight gain for higher total dairy and high-fat dairy intake and also a lower risk of becoming overweight and obese in those who consumed more high-fat dairy," said study author Susanne Rautiainen, a research fellow at Brigham and Women's Hospital and Harvard Medical School in Boston.
"I am conservative about setting national dietary guidelines. While evidence remains insufficient to definitively recommend only whole-fat dairy, it certainly is robust enough not to recommend only low-fat dairy," said Dr. Dariush Mozaffarian, Dean of Tufts Friedman School of Nutrition Science & Policy, and Editor-in-Chief of the Tufts Health & Nutrition Letter. "These findings highlight for me the fact that nutrition is an evolving science, and that we just scratched its surface," said Elisabetta Politi, nutrition director of the Duke Diet and Fitness Center at Duke University.
In a statement provided to TechTimes News, "But not so fast, according to the findings of a study on more than 18,000 middle-aged women who took part in the Women's Health Study. The women were all of normal weight and were free of heart disease, cancer and diabetes at the beginning of the research. The study found that the subjects who consumed more high-fat dairy maintained an 8 percent lower risk for obesity over time, with the same association not seen with low-fat dairy intake."
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