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

J&J Vaccine and Blood Clots: What to Know If You Already Got the Shot

Six cases of cerebral venous sinus thrombosis have been reported among the 6.8 million people who received the J&J vaccine.

After the Johnson & Johnson vaccine was associated with cases of "rare and severe" blood clots, the U.S. government recommended officials pause giving the shot. But nearly 7 million people have already received the vaccine. So the news has a lot of people wondering if they should be concerned and what they need to look for.

The short answer: "Don't panic."

Keep Reading Show less