Scientists say they have, for the first time, cloned human embryos capable of producing embryonic stem cells.

The accomplishment is a long-sought step toward harnessing the potential power of embryonic stem cells to treat many human diseases. But the work also raises a host of ethical concerns.

On Wednesday's Morning Edition, David Greene talks with writer and breast cancer survivor Peggy Orenstein about actress Angelina Jolie's decision to have a double mastectomy to reduce her risk of breast cancer.

Angelina Jolie just became part of a medical trend: More women are deciding to have their breasts removed to reduce the risk of cancer.

Over the past decade, doctors have noticed a big increase in the number of women choosing prophylactic, or preventive, mastectomies.

Almost half of teenagers cop to texting while driving. And those texting teens are more likely to make other risky moves while in the car, too.

That includes not wearing seat belts, drinking and driving, and riding with a driver who's been drinking, a study just published in the journal Pediatrics finds.