Low fat diets are useless - new study

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... a recently published study has found.   The Telegraph article  on the same topic:
Cut out carbs, not fat if you want to lose weight, Harvard study finds

Wiki Cereal

 The analysis of 53 studies, involving 67,000 dieters found who cut back on fat were two and a half pounds heavier after a year than those who embraced a “low carb” approach.

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Dr Deirdre Tobias at Bingham's Division of Preventive Medicine said: "Despite the pervasive dogma that one needs to cut fat from their diet in order to lose weight, the existing scientific evidence does not support low-fat diets over other dietary interventions for long-term weight loss." "In fact, we did not find evidence that is particularly supportive of any specific proportion of calories from fat for meaningful long-term weight loss.” The study found low carbohydrate diets were the most successful.