Published 22 January 2023 at 10.05
Domestic. Low-carbohydrate diets such as LCHF and Atkins contribute better than low-fat diets to weight loss, shows a study from the Norwegian National Committee for Medical and Social Evaluation (SBU). However, why the methods work – and for how long – remains unclear.
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In the longer term, there is no evidence that these diets are better than others for maintaining weight loss and health.
A report from the SBU (State preparation for medical and social evaluation) from 2010 found that a moderate and strict low-carbohydrate diet produced greater weight loss than a low-fat diet for up to six months.
After 12 months, however, no difference was seen compared to other diets.
A new report from SBU from 2022 shows that such a diet in combination with physical activity and restriction of calories can produce weight loss for up to eleven months, but that there are no studies that can show whether weight and health can be maintained in the longer term.
SBU highlights a connection between the Mediterranean diet and a lower risk of dying prematurely in diabetes type 1 and type 2, compared to a low-fat diet.
The National Board of Health and Welfare is currently working on a new knowledge support for diet in diabetes aimed at healthcare professionals, which will be presented in the spring.