Low-carb diet benefits heart health for overweight people, researchers say


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diet high in unsaturated fat

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According to researchers, a low-carb diet that is high in unsaturated fats may be beneficial for the heart health of overweight people.

In a Tuesday study published in the American Journal of Clinical Nutrition, Massachusetts-area authors randomly assigned 164 overweight and obese participants — mainly women, ages 18 to 65 — to three weight loss maintenance regimens. Diet.


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First, the participants placed on a low calorie diet Due to which his body weight was reduced by about 12%.

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Next, in the trial phase, participants were given a diet in which 20%, 40% or 60% of their calories came from carbs.

Protein, however, was kept constant at 20% for each diet; The rest of the calories come from fat.

Food was provided for subjects who followed the eating plan for five months, keeping the weight constant.

“The primary results were previously reported, that total energy expenditure was higher (∼200 kcal/d) on the following- than [the] high-carbohydrate diet,” wrote study authors from Boston Children’s Hospital, Framingham State University, Dana-Farber/Boston Children’s Cancer and Blood Disorders Center and Brigham and Women’s Hospital.

People who ate fewer carbohydrates did not experience any harmful cholesterol level changes, with “bad” LDL cholesterol at the same level as those who followed a high-carb diet. The tests showed that the low-carb group had about a 15% reduction in lipoprotein (a) levels.

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Lipoprotein (A) There is a fatty particle in the blood that is associated with the development of heart disease.

In addition, the low-carb group saw lipoprotein insulin resistance (LPIR) scores — associated with incident type 2 diabetes and premature coronary heart disease — decline, while those on the high-carb diet saw their scores increase.

adiponectin Levels — a protein hormone that plays a role in the development of insulin resistance — were increased.

“These results are broadly consistent with small feeding trials and behavioral studies reporting improvements in several cardiometabolic outcomes on a low-carbohydrate diet, including triglycerides, HDL cholesterol, glycemia, blood pressure, liver fat and body weight,” the study said. Huh.” “The effect on these risk factors may, in part, mediate the relationship between glycemic load and the risk of CVD events and mortality observed in a recent 20-country study.”

In conclusion, the study noted that restricting carbs in one’s diet may reduce the risk of heart disease independent of body weight.

That’s a possibility that warrants further studies and major multicenter trials, the authors said.

What is the best diet to choose according to the parameters of the study?

The Mediterranean-style low-carb diet, with an emphasis on unsaturated fats, is the best diet to choose according to the study’s parameters, as it targets both high LDL cholesterol and cholesterol. insulin resistant dyslipoproteinemia.

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