If you suspect you have coronavirus, or you’re aiming to be prepared (as you should), it can be helpful to know about the different Covid-19 tests available. Taking a test for the virus will involve ...

A new paper describes a test that can differentiate between different types of asthma via a nasal swab. Researchers hope the test can eventually be used to help match patients with better treatments.

Add Yahoo as a preferred source to see more of our stories on Google. Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) (Getty Images) If ...

Microbiome tests measure the microorganisms in a person’s gastrointestinal (GI) tract. These tests can give the person an idea of the types and amounts of microorganisms in their gut. However, people ...