New blood tests that detect early changes associated with Alzheimer's disease are making diagnosis easier and more accessible ...

The FDA retracted its only positive test for cyclospora, the parasite at the center of a multistate outbreak, on Taylor Farms lettuce. But the agency believes lettuce from the brand is still linked.

The FDA's investigation into the source of the cyclosporiasis outbreak is causing confusion as companies and consumers alike ...

Cologuard is a colon cancer screening test you can do at home. It’s a noninvasive, stool-based test that comes in a kit. You use the kit to collect a stool sample. Then you send the sample to a lab ...

What happens if public health agencies stopped trusting their own tools, scientists, and surveillance networks for measuring whether vaccines work? We end up less able to monitor the performance of ...

An IgE blood test measures antibodies to help diagnose allergies. High levels of IgE antibodies can mean you have an allergy to something. Your healthcare provide may do additional testing to ...

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