Worried about airport scanners? Dr. Oz weighs in on the radiation debate. Even your routine checkup could be dangerous. Find out why. Click here to track your exposure to radiation.

Click here to watch Part 1.


Click here to watch Part 3.

Click here to watch Part 4.

You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.