Some doctors thought Lyme disease was a chronic condition that relapsed. Now, there's evidence that recurring cases of Lyme disease may actually be caused by multiple, discrete tick bites and infections.
Southeast Asia is a hot spot for drug-resistant malaria. In the past few years, parasites in two regions have become less responsive to the last, best drug we have against malaria. Researchers report that this new type of drug resistance may be spreading to Vietnam and central Myanmar.
Wearable robots are making walking a reality for paraplegics in rehabilitation centers around the country. But before Iron Man-like suits become mainstream, they'll need to overcome cost and regulatory hurdles.
Pakistan is close to eradicating one of the last two remaining types of polio left in the country, researchers announced on Monday. They haven't seen a case of this type in nearly seven months. Health workers are cautiously optimistic that their extra vaccination efforts are starting to pay off.
Colorado has been moving to set up an insurance exchange since the health care law was passed. The government, insurance industry and the hospitals say they are glad their work over the last year has been worth it.
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