The shocking results from Colleen's first set of medical tests are in.  Dr. Oz exsplains the severity of the results, and introduces Colleen to a mentor who has lost 300 pounds herself: Ruby.

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 6. Colleen's mentor, Ruby, promises to help her lose the weight.

We all love a good cup of coffee to wake us up in the morning. But that routine drink may be doing good things for your health. Turns out, drinking coffee could help you do three big things: burn fat, lower your risk of type 2 diabetes, and boost your mood. Watch the video below to see how, plus three ways to spice up your coffee with adding calories!