There are roughly 225,000 new cases of lung cancer every year in the United States. Early diagnosis and treatment play a large role in improving outcomes. A recently developed nasal swab test could ...

Tokyo — Researchers in Japan announced "game changing" research this week that found simple saliva tests for COVID-19 are just as reliable as the widely used, but more complicated and uncomfortable, ...

An employee at Spectrum Solutions in Draper, Utah, shows tubes used in their COVID-19 saliva test kit. (George Frey/Getty Images) As the coronavirus pandemic broke out across the country, health care ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

A new, non-invasive nasal swab test for kids that diagnoses specific asthma subtype, or endotype, could help clinicians prescribe medications more precisely and pave the way for research toward better ...