New findings suggest that a blood test can detect circulating tumor DNA (ctDNA), potentially identifying signs of lung cancer ...

A blood test measuring a protein released after head injuries may help doctors identify brain damage that routine scans miss.

The new tests can reveal changes in the brain years before symptoms appear—but experts caution that they may not help ...

Researchers at USC have launched an early-stage clinical trial to investigate whether a blood test could help detect breast ...

The updates improve upon the option for a first-line screening tool for those who are unable or unwilling to receive the more ...

In a new study, scientists investigated whether a small blood sample could reveal clues to stomach cancer, even in its earliest stages. Researchers collected blood samples from 865 people. Of these, ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...