Swedish study examined dairy fat intake by more than 4,000 adults
Researchers say a diet rich in dairy fats may be associated with a lower risk of heart disease.
In a new Swedish cohort study published in the journal Plos Medicine, international experts challenge the idea that full-fat dairy options should be avoided because of the saturated fat.
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Looking at dairy fat intake in 4,150 Swedish adults—most of whom were women, with an average age of 60.5 years—over a period of 16.6 years, group measured blood concentrations of certain levels of fatty acids.
They recorded 578 incident cardiovascular disease events and 676 deaths, noting that those with a higher intake of dairy fat than a lower intake had a lower risk of cardiovascular disease and that higher intakes were not associated with an increased risk of death.
Dairy consumption in Sweden is among the highest in the world.
“Many studies have relied on people being able to remember and record the amount and types of dairy foods they eat, which is especially difficult because dairy is commonly used in a wide variety of foods. Instead, we measured blood levels of certain fatty acids, or fat ‘building blocks’, which are found in dairy foods, which gives a more objective measure of dairy fat intake that may be related to memory or quality of food databases. Doesn’t depend on it,” Australia’s Dr. The Matty Marklund-George Institute for Global Health, the Johns Hopkins Bloomberg School of Public Health and Uppsala University are located. explained in a release.
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Then, in a meta-analysis, researchers combined the results of the Swedish study with those of 17 similar studies in other countries, involving nearly 43,000 participants in the US, UK and Denmark.
The comprehensive analysis also linked higher dairy fat consumption to a lower risk of cardiovascular disease, making the George Institute “the most comprehensive evidence to date on the relationship between dairy fat consumption, this more objective measure of cardiovascular disease and risk of death.”
“Growing evidence suggests that the health effects of dairy foods may depend more on the type, such as cheese, yogurt, milk and butter, rather than the fat content, which has raised doubts whether avoiding dairy fat is beneficial for cardiovascular health. ,” lead author Dr. Cathy Trieu said in a statement.
However, the study noted that it has limitations, including the inability of biomarkers to quantify different types of dairy foods and that most studies in the meta-analysis assessed biomarkers at baseline that “miscarriage of exposure levels”. may increase the risk of
The researchers called for further clinical and experimental studies to “clarify these relationships and the causality of relevant biological mechanisms.”
“It’s important to remember that although dairy foods can be rich in saturated fat, they are also rich in many other nutrients and can be part of a healthy diet. However, other fats such as seafood, nuts, and non-dairy foods can also be found in dairy products. Tropical vegetable oils may have more health benefits than dairy fats,” Trai said.