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.

Tests that quantify changes in dogs suspected of having cognitive decline could also be a model for Alzheimer's disease in people.

"If melanoma is being over-diagnosed, it means that too many people are getting the scary news that they have cancer..."

A new COVID-19 sensor that combines PCR test accuracy with the speed of antigen tests could be used for mass testing at airports, schools, and hospitals.

A new test that uses a simple heating device and cellphone can tell within 10-15 minutes if you have COVID, and if so, which of the five variants you have.

Researchers report a potential new test for Lyme disease that could identify it sooner and show how well treatments work.