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.

A clinical trial is launching to test the effectiveness of new tests that aim to detect genetic signatures of cancer in the blood.

One blood test to detect multiple cancers at once? Fred Hutch researchers say the technology could be game changing.

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

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

A national pilot study designed to determine if blood tests can help detect cancers earlier is open for enrollment.Results of ...

Ministers have refused to tell Parliament what evidence they have found about human radiation experiments on troops. The ...

Although an elevated PSA measurement can indicate prostate cancer, there can be other reasons for elevated levels.

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 ...

We spoke to Geoff Scott, the former head of medicine at Tottenham Hotspur, to find out exactly what the early days of ...

Learn the 7 most important blood tests adults should take regularly to monitor overall health and prevent life-threatening ...

To solve the mystery of the Guadeloupian woman’s incompatible blood, scientists turned to cutting-edge genetic analysis.