Elisabeth Hasselback returns to Dr. Oz to sound the alarm on hidden food allergies! If you're typically feeling fat, bloated and tired, a hidden food allergy could be to blame. In this sneak peek Elisabeth reveals why she feels so passionately about this issue.

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.