Colleen and her husband have to face some difficult realizations about their relationship. Find out more about their lives and learn how much progress Colleen has made since her last visit.

Click here to see Colleen’s first visit with Dr. Oz.

Click here to watch Part 1: Dr. Oz Challenges Colleen

Click here to watch Part 2: Colleen Re-Evaluates Her Life 

Click here to watch Part 4: The Secret Threatening Their Marriage is Revealed

Click here to watch Part 5: Facing Up to Addiction & A New Challenge    

How to Safely Make Lifestyle Changes With Type 2 Diabetes

Gain control of your disease while still protecting your heart

If you're overweight or obese and have type 2 diabetes, a new study reveals how to make lifestyle changes that will help you safely gain control of your disease and still protect your heart.

Researchers published a study in Diabetes Care that took a second — and more in-depth — look at data from the NIH's Look AHEAD study. They found that for 85% of people in that study, lifestyle interventions that triggered weight loss and increased physical activity reduced potential cardiovascular problems. Such lifestyle interventions also help reduce the risks for diabetes, dementia and some cancers and strengthen the immune system.

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