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FARMINGTON HILLS, Mich. (AP) — A review of research on commercial diets has given high marks to Weight Watchers and Jenny Craig.
Those programs have good evidence of lasting weight loss, but the researchers say many other plans just haven't been studied enough to draw conclusions.
They pooled results from several studies and found that Weight Watchers dieters lost an average of at least 8 pounds and kept it off for at least 12 months. That compares with about 15 pounds for Jenny Craig.
The study was published Monday in Annals of Internal Medicine.
WW Group President Florine Mark says Weight Watchers' program "emphasizes real life eating, with real world living" and offers group support and motivation.
The Farmington Hills-based WW Group operates franchises in southeastern Michigan and Ontario, Canada.
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Journal: http://www.annals.org
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