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TheDailyBeast: Most Effective Diets for 2012

3 of 10

7. Jenny Craig

The Trick: Packaged food and weekly check-ins

Members of the Jenny Craig program start with the company's branded food and menu plan, and then gradually wean themselves off the products as weight-loss goals progress. Jenny and Sid Craig, who formed the company in 1983 in Melbourne, created the program. There are about 500 centers in the U.S. and the average customer reportedly spends about $100 per week on Jenny Craig food while enrolled in the program. Among the diets included in the list, Jenny Craig had the highest rate of short- and long-term attrition, but ranked second in terms of total weight loss over one year.

6-month attrition rate (78%)
6-month mean weight loss (12.6 lbs.)
12-month attrition rate (93%)
12-month mean weight loss (15.6 lbs.)
12-month BMI loss (n/a)
Nutrition score (n/a)

Clinical study ( International Journal of Obesity, February 2007)

(AP Photo/Evan Agostini)
See the Full Story at The Daily Beast

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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