For decades, female hormone levels were measured using blood tests. 1 But blood sampling is invasive, expensive and is, at times, logistically difficult. Hence, there was a shift towards more ...

Researchers are developing non-invasive saliva tests to detect heart failure early, potentially before symptoms appear. Studies have identified key salivary biomarkers, and a prototype device, eCaDI, ...

Of the 95 tests that were considered invalid, 61 had a leak in the collection tube, 26 had an insufficient quantity of saliva, and 8 had a PCR failure. Askari and colleagues conclude that saliva ...

“Viva Saliva” is a thorough guide for experts interested in improving their laboratory methods. It provides an in-depth look at salivary sample preparation and saliva hormone testing, integrating peer ...