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After refusing medical tests for 15 years, Colleen begins treatment at a top weight-loss clinic. Dr. Oz introduces her to the team of experts that will work with her.
Click here to watch Part 1: Dr oz begins his intervention with a house call.
Click here to watch Part 2: Colleen admits why she is afraid to lose the weight.
Click here to watch Part 3: Colleens husband and mother join the show.
Click here to watch Part 5: Oz explains Colleen's shocking test results
Click here to watch Part 6: Colleens mentor, Ruby, promises to help her lose the weight.
Blood tests courtesy of Biophysical Corporation