Is the Galleri multi-cancer blood test worth it? A doctor explains real-world performance data and explains why no major medical society recommends the test for screening.

New research from King's College London suggests that a rapid blood testing method could deliver reliable results far more ...

As exciting as full-body MRIs seem, many in medicine are skeptical. But there are useful cases.

Sykes also cautions against the opposite mistake: overinterpreting a positive result. Subclinical exposure to Leptospira species is common, meaning a positive test—such as a visible red line or blue ...