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 1 of Ginkgo Biloba: Helpful or Harmful?


Learn more about the dangers of ginkgo biloba.

Here's Why Your Heartburn Just Won't Go Away

Dr. Oz viewer Rose wants some help!

Dr. Oz talks to viewer Rose, who says her heartburn never seems to go away even after taking antacids. Watch the video below to see what could be giving Rose such bad heartburn (food, activities) and what she can do to help get rid of it.