Bioengineers are developing microchips, about the size of a thumb, that can behave like human organs. Donald Ingber, director of the Wyss Institute for Biologically Inspired Engineering, discusses how the "organ-on-a-chip" works and why the technology could replace the animal model for drug testing.
The U.S. is headed for the worst whooping cough outbreak in half a century. Maryland recently reported several cases of swine flu, and reports of West Nile virus are back. What you need to know to protect yourself.
Hydeia Broadbent was diagnosed as HIV-positive at age three. By the time she was six, she was already sharing her story publicly to lessen the stigma around the disease. On the final day of the 19th International AIDS Conference, host Michel Martin speaks with Broadbent, who is now in her 20s, about living with HIV. She's involved in a new awareness program from the Centers for Disease Control and Prevention called "Let's Stop HIV Together."
A new ad by McDonald's China reinforces the brand's image in the country as healthful and wholesome. And it will work, a market analyst says, because the Chinese trust that American food brands are safer than their own.
In the wake of the Supreme Court ruling on the Affordable Care Act, Republicans are subtly turning the debate away from covering people who don't have health insurance toward the goal of reducing costs.
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