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.

Drugmaker Novartis’ Super Bowl ad explained that prostate cancer screening starts with a simple blood test, aiming to dispel fear of an exam for a treatable cancer.

DEAR DR. ROACH: I am an 86-year-old woman with a diagnosis of heart failure. My B-type natriuretic peptide (BNP) level is getting higher again, up to over 2,000 pg/mL. It was once 6,000 pg/mL and was ...

Dr Arora said this test can detect kidney damage 5 years earlier than standard blood work, so discuss it with your doctor if ...

Bayes' theorem is a statistical formula used to calculate conditional probability. Learn how it works, how to calculate it ...