News Archive
When it comes to certain molecules, shape makes all the difference. The shape of limonene, for instance, a compound produced by citrus fruits, determines whether it tastes like orange juice or turpentine.
Heart experts at Johns Hopkins have begun testing a new device designed to replace blocked aortic valves in patients for whom traditional open-heart surgery is considered too risky, such as elderly patients and those with other serious medical conditions.
Preventable rehospitalization of the nation's older adults has proved a persistent health and financial challenge for the U.S., costing Medicare hundreds of millions of dollars each year.
The spread of swine flu and other infectious diseases could be dramatically reduced by revolutionising the way that the places we live in are designed and built.
In New York City, a new study has found only three of 10 retail workers get health insurance through their job. In the meantime, the federal government is stepping up scrutiny of health insurers in Arizona, and Connecticut considers changes to appeal insurance company coverage denials.
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