Bipolar disorder produces extreme mood swings that can be debilitating. Researchers think the nose's "smell" cells may lead to better care.

Charles Nemeroff, MD, discusses suicide risk factors including who's at risk and what signs to look for.

Charles Nemeroff, MD, discusses the stigma that still surrounds mental health conditions.

Patricia Farrell, PhD, discusses the differences between therapy and counseling.

Many people treated with antidepressants stop taking them because of side effects. Learn what you can do.