Everyone gets blue, but when sad, lonely, hopeless or irritable feelings prevent your getting on with your life, it may be clinical depression. Nearly 20 million Americans suffer from depression each ...

Imagine a routine blood draw at your annual physical that could warn you about depression before you ever feel it coming. That scenario is still years away from any doctor’s office, but a ...

Blood tests that measure how certain immune cells age may help detect signs of depression linked to mood and thinking problems in people with and without HIV, improving early diagnosis and treatment.

Blood tests measuring the aging of certain white blood cells can predict cognitive and mood-related symptoms of depression, rather than physical symptoms. Depression is diagnosed based on ...