Oprah Radio host Dr. Mehmet Oz's wife Lisa gives listeners the scoop on what her husband is really like.

Oprah Radio host Dr. Mehmet Oz talks to Dr. Jay Lombard and Peter Morgan Kash, co-authors of Freedom from Disease, about the role of insulin in the body and how to keep insulin levels in check for good health.

Oprah Radio host Dr. Mehmet Oz and Dr. Roizen talk about five steps to losing belly fat and living a healthier life.

Oprah Radio host Dr. Mehmet Oz talks with Dr. Jeannie Fontana about the latest stem cell research findings.

Oprah Radio host Dr. Mehmet Oz talks Dr. Marianne Legato about her new book, Why Men Die First.