Liquid biopsies have transformed cancer testing. These tests detect signs of cancer using a simple blood draw instead of ...

Welcome to Ask Doctor Zac, a weekly column from news.com.au. This week, Dr Zac Turner explores whether or not blood tests are back for you.

As for why cortisol varies throughout the day: "Cortisol is very important in helping a person transition from sleep to wakefulness," Zalzala explained. "This triggers a 'morning cortisol surge' -- a ...

Unlike expensive positron emission tomography (PET) scans or invasive lumbar punctures, the new blood test measures the ratio ...

For years, it has been one of the most tantalizing ideas in medicine: One day, a simple blood test will detect nascent ...

A groundbreaking study of nearly 45,000 people shows how a blood test measuring proteins can estimate which organs are aging ...

This simple blood test shows average A1C levels over the past two to three months and helps track how well diabetes is being controlled.

A new blood test uses what is known as biomarkers to identify a person’s Alzheimer’s disease status, changing how we monitor ...

Researchers have developed a blood test to predict MS onset by measuring EBV antibody levels, potentially allowing early diagnosis and care.

The 3 blood tests your doctor never orders but should and these overlooked lab tests could reveal critical health issues ...

A large Finnish project, which is part of the long-term ‘Cardiovascular Risk in Young Finns’ study, found elevated levels of ...

Breakthrough method detects subtle molecular signals in blood, allowing for diagnosis months or even years before symptoms ...