"Angelina Jolie Effect" Leaves Public with In...

New evidence points to the evolution of the ability for bacteria to grab nitrogen from the atmosphere some 3.2 billion years ago, about 1.2 billion years earlier than thought—with implications for finding extraterrestrial life. Lee Billings reports 

A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports 

From September 30, 2008: Actress Christina Applegate opens up about her battle with cancer and her radical decision to remove both breasts. Oncologist, Dr. Philomena McAndrew, explains the breast cancer gene and provides treatment recommendations. Nancy Brinker, founder of the Su ...  Show more

I am so grateful to Dr. Anne Peled for coming on the show to share her story and expertise on breast cancer. She explains how to do a self-exam at home, tells us the warning signs to be aware of, shares what we can do to reduce our risk of breast cancer, and so much more. Dr. Pel ...  Show more

In this special episode, Dr. Diane Reidy-Lagunes sits down with renowned journalist and cancer screening advocate Katie Couric at The Paley Center for Media in New York City. After losing her first husband to colon cancer in 1997, Katie made history when she received her first co ...  Show more

Information that's not easy to come by on breast health, cancer and myths from Megan Smith, maker of the documentary "bOObs: The War on Women’s Breasts." The documentary "investigates the controversy swirling around the breast cancer screening test mammography. Over a 30-year per ...  Show more