Ginkgo biloba has been used for centuries for its memory-enhancing powers. Recently, it's been added to teas and energy drinks to help improve your concentration. But does it really work? And is it safe? Dr. Oz shares his thoughts.

View Part 2 of Ginkgo Biloba: Helpful or Harmful?


Learn more about the dangers of ginkgo biloba.

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!