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With Routine Mammograms, Some Breast Cancers May Be Overtreated

The last three decades have seen a dramatic increase in early-stage, but not late-stage, breast cancers, as mammography has become routine. Some researchers are concerned that women are being treated for cancers that would never turn deadly.

When Fetuses Yawn In The Womb

Ultrasound often catches fetuses opening their mouths, but whether they're really yawning or not has been up for debate. Now, with some fancy ultrasound techniques, scientists have show that babies do indeed yawn in the womb.

World AIDS Epidemic Slows, But Fight Stalls In Parts Of Asia

Although new HIV infections have dropped by as much as 50 percent in many African countries, the fight against AIDS seems to be losing its footing in Eastern Europe and parts of Asia. New infections nearly quadrupled in China between 2007 and 2011.

OB-GYNs Say No Prescription Should Be Needed To Get The Pill

Easier access to oral contraceptives could reduce unintended pregnancies, doctors say. But the Food and Drug Administration would have to allow purchases of the pill without a prescription, and that's not going to happen anytime soon.

Bertolini: Health Care Waste Fix Would Trim Deficit

Washington lawmakers are still working to avoid the fiscal cliff. That's the expiring of tax cuts at the end of the year and deep spending cuts that could throw the economy into recession. A group of top CEOs has been urging lawmakers to reach a deal. Renee Montagne talks to Aetna CEO Mark Bertolini about the fiscal cliff and health care.