The Flat Belly Diet
The controversial Flat Belly Diet promises to help people lose weight quickly. The diet highlights monounsaturated fats (MUFAs) as the key to weight loss. The diet’s creators, registered dietitian Cynthia Sass and former Prevention magazine editor Liz Vaccariello, claim that dieters can drop pounds within a month.
Although some studies link MUFAs to weight loss, there is little evidence that they remove pounds so quickly. Critics of the diet point out that it has no evidence other than the original book, and that it may be too restrictive.
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