During a tearful confession, Colleen admits her greatest fear is not only dying, but letting go of her only source of comfort: food.

Click here to watch Part 1: Dr. Oz begins his intervention with a house call. 


Click here to watch Part 3: Colleens husband and mother join the show. 

Click here to watch Part 4: After refusing medical tests for 15 years, Colleen begins treatment.

Click here to watch Part 5: Dr. Oz explains Colleens shocking test results

Click here to watch Part 6: Colleen's mentor, Ruby, promises to help her lose the weight. 

Is This the Key to Ultimate Hydration?

See how electrolytes work in your body.

Is This the Key to Ultimate Hydration?

Whether you're trying to stay hydrated for your workout routine or rehabilitation, recovery and hydration is so important to keeping your body performing like it should. So how do you make sure that happens? You need electrolytes — the minerals that give electrical power to your body. What the video below to see how they get to work inside your body and how you seamlessly add them to your day.

Presented by USANA.