In the US, one in 10 babies is born prematurely. A new blood test could identify women at risk.

A new method that uses blood droplets can detect athletes who have taken performance-enhancing drugs. Researchers say it might be tested at the Olympics.

The new blood test checks to see if cancer treatment is working in real-time. It can give results in just 24 hours, which could guide treatment decisions.

A new rapid blood test could confirm if a person has received a COVID-19 vaccine while they wait to board a plane or enter a sporting event.

A new blood test detects the bacteria that causes tuberculosis a year before infants develop the deadly lung disease, researchers report.

Worldwide, 1 in 4 people will suffer from a depressive episode in their lifetime. A new blood test may lead to a more personalized approach to treatment.

A blood test can predict—within a day of a hospital admission—which patients with COVID-19 are at highest risk of severe complications or death.

A simple blood test that doesn't require overnight fasting could identify youth at risk for developing type 2 diabetes later in life.

Newly discovered cells in the blood seem to indicate impending flare-ups of rheumatoid arthritis. Could they one day be a gauge of pain to come?

A new method of analysing cancer patients’ blood for evidence of the disease could be up to ten times more sensitive than previous methods according to new