Ruby, who was once 700 pounds, shares words of inspiration and support for Colleen, who meets the rest of the team that will help her lose the weight.

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's afraid to lose the weight.

Click here to watch Part 3. Colleen's 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's explains Colleens's shocking test results. 



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.