A new study suggests depression may soon be detectable through a simple blood test—by tracking how certain immune cells age.

Blood tests measuring white blood cell aging may predict cognitive and mood symptoms of depression in people with and without ...

A blood draw can already reveal cholesterol levels, blood sugar, and signs of infection. Before long, it might also flag ...

Imagine a routine blood draw at your annual physical that could warn you about depression before you ever feel it coming.

A new study reveals that a blood test could detect depression at an early stage, before serious or visible symptoms appear.

Aging of specific white blood cells is linked to cognitive and mood symptoms of depression, suggesting a potential biomarker ...