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 ...

Have you experienced any depressive symptoms over the past two weeks? Do you think you could be suffering from clinical depression? If so, you might want to consider filling out a brief Patient Health ...

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 ...