Low-Fat Diets More Successful than Low-Carb

Low-fat diets are more successful that low-carb diets in the long runIn a recent study, obese participants on low-fat diets lost more weight long term than those on a low-carb plan. In fact, those on low-carb diets had gained back nearly all their weight after three years, while those on low-fat diets continued to lose.  

The reason for these findings, the researchers speculated, was that low-carb diets are more difficult to follow long term. They require drastic changes in the way people typically enjoy their food. Eating a sandwhich without the bread, for instance, is very difficult to follow long term. Whereas in low-fat diets, all food groups are allowed with certain important changes, such as switching from mayonnaise to mustard or from whole to skim milk.

Also in the study, rapid weight loss lead to rapid regains.  Those who lost the most in the beginning were more likely to gain the weight back, and those who achieved weight loss by doing it in a slower manner, were more likely to keep it off.

SOURCES: M Vetter, M.D., R.D., medical director, Center for Weight and Eating Disorders, University of Pennsylvania, Philadelphia; L Sandon, R.D., assistant professor, clinical nutrition, University of Texas Southwestern Medical Center at Dallas; Annals of Internal Medicine, March 2, 2010,

Source: “Low-Fat Diets Beat Low-Carb Regimen Long Term”, HealthDay, March 1, 2010

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