Quality of low-carb diets affects weight change in U.S. adults, finds study

A study published in JAMA Network Open found that the quality of low-carbohydrate diets (LCDs) impacts weight change among U.S. adults. Five LCD indices were examined, and each 1-standard deviation increase in different LCD scores was linked to varying weight changes. Specifically, animal-based and unhealthy LCD scores were associated with greater weight gain, while vegetable-based and healthy LCD scores were linked to less weight gain. The study suggests that nutrient quality plays a crucial role in maintaining a healthy body weight, advocating against the sole focus on macronutrient quantity for weight management. These findings were observed to be more pronounced among obese individuals.

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