Genetic testing is a minimally invasive medical test that doctors use to identify genetic mutations or variants that can lead to certain diseases or conditions. Doctors use various types of genetic ...

If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

New technologies that enable doctors to detect key biomarkers at earlier stages promise the change the face of cancer treatment, and blood testing is one area where some exciting progress is being ...

Most tests for COVID-19 involve taking a swab sample from the back of the nose, throat, or both. But some tests require a blood sample. These tests aim to find out if a person has, or has ever had, an ...