Certain Diets May Help Body Burn More Calories
Dieters have long been told that to lose weight, you simply need to cut calories. But new research suggests that some combinations of foods may burn more calories than others.
When researchers compared a low-fat diet, a very low-carbohydrate diet and a low-glycemic-index diet, they found that people on very low-carb diets used the most calories. But this type of diet also boosts stress hormones and inflammation, they found.
People on the low-glycemic-index diet — a plan designed to prevent spikes in blood sugar after eating — also burned more calories than those on the low-fat diet, but fewer than those on the very low-carb diet.
“From a metabolic perspective, all calories are not alike,” said the study’s senior author, Dr. David Ludwig, director of the New Balance Foundation Obesity Prevention Center at Boston Children’s Hospital.
“Attempting to severely restrict all fat or all carbohydrates is hard psychologically, and it’s also the wrong approach biologically,” he said. “When you try to force so many nutrients through one pathway, it may have downsides on the body.”
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