A new effort significantly reduces the number of unnecessary CT scans in children, limiting exposure to harmful radiation.

A new test needs only a blood sample to detect a novel marker of Alzheimer's disease neurodegeneration, researchers report.

"We learned that a urine test fairly early on during pregnancy has a strong statistical power for predicting preeclampsia."

If you have COVID-19 symptoms but a negative rapid test, take this expert advice to keep people around you safe.

Outreach by local groups can expand access to at-home COVID-19 testing, especially in vulnerable communities, a new study shows.

If you saw news coverage of a study suggesting limited benefit to colonoscopies, consider this message from experts.

With each new variant of SARS-CoV-2, there's concern that rapid testing may not be able to keep up. New research tries to figure things out.

Researchers have created a menstrual pad that can passively help detect HPV, potentially making pap smears a thing of the past.

A new ultra-sensitive DNA test that identifies Lyme disease in horses could have applications for dogs and humans, too, researchers report.

A new COVID-19 test detects and identifies specific SARS-CoV-2 variants with 100% accuracy, researchers say.