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

Scientists have moved closer to creating a reliable biological marker for the diagnosis of depression by studying the aging ...

Blood tests measuring the aging of certain white blood cells can predict cognitive and mood-related symptoms of depression, ...

Researchers at the Feinberg School of Medicine at Northwestern believe it may be possible to diagnose depression using a blood test. According to Eva Redei, a professor of psychiatry at the university ...