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How A Superbug Traveled The World

About 10 years ago, some nasty bacteria became impervious to some common classes of antibiotics. Scientists have sequenced genome samples of this superbug from all over the world. The results helped them figured out how it emerged in the U.S. and then moved to Europe, Australia and Asia.

Buzz Off: Bedbugs Unfazed By Ultrasonic Devices

Once bedbugs settle in, the toll on your mental health and pocketbook can run high. So what about driving the bloodsucking insects off with high-pitched sounds? Scientists say gadgets that claim to do that are a waste of money.

As Childhood Strokes Increase, Surgeons Aim To Reduce Risks

Stroke is usually a problem that comes with age, but a surprising number of children have strokes, too. Many kids have conditions that put them at higher risk. But surgeons have developed a technique that cuts the risk in some of these kids by giving part of the brain a new blood supply.

Doctors And Women's Groups Urge Feds To Relax Plan B Restrictions

With the presidential election decided, doctors and some advocates are calling for the administration to make it easier for teenagers to get the morning-after birth control pill.

Unusually Early Flu Season Intensifies

The flu is back early this season. And the Centers for Disease Control and Prevention says cases