A woman goes undercover for 20/20 to several LA Weight Loss Centers. The results may surprise you. Preying on emotions to buy additional products costing thousands of dollars and using answers to personal questions on the questionnaire against you are just some of the allegations made. If you don't believe the expose read some of the comments on the article. There are some people that have had good experiences but there are also a lot of people backing up 20/20's claim including former employees.