Biomarkers and the future of treatment for depression.

Doctors have a variety of drug options for treatment of depression. But there is currently no way to determine which antidepressant will work best for a given patient, which means that many people continue to suffer while their doctors try a series of medications. As Marisa Toups and Madhukar H. Trivedi write, however, many researchers have focused their efforts on developing biomarkers for depression-tests for aspects of a patient's physiology...