Bipolar disorder is similar to depression but is marked by mood swings that can cycle from mania to depression. This video discusses who's at risk for this disorder, the difficulty of making a diagnosis, and how it is treated.

We all feel sad or "down" at different times of life, but for most of us, this mood eases within a few days. If you have clinical depression, the sad feelings linger, interfering with daily life. This video takes a closer look at this mental health disorder and what treatments are available.

Everyone feels sad or "down" at one time or another, but this mood passes within a few days. If you have clinical depression, those feelings linger, interfering with daily life. This video discusses how a doctor or mental health professional screens patients for depression.

A person with obsessive-compulsive disorder has obsessions thoughts or impulses that occur on their own, often over and over again, and compulsions rituals the person performs to try to make the obsessions go away. This video explores the range of this disorder and how it is treated.

Panic attacks are sudden attacks of intense anxiety that set your heart pounding, make you short of breath, and trigger thoughts like I'm having a heart attack.� This video looks at what can trigger panic attacks and what you can do to prevent them or ease their impact.

Posttraumatic distress disorder (PTSD) can develop after a person experiences a traumatic event that involves actual or threatened death or serious injury. PTSD can occur whether you experienced this event or merely witnessed it. This video explores the symptoms and recommended treatment of this disorder.

Premenstrual syndrome (PMS) is a group of symptoms that occur in some women during the second half of their menstrual cycle. These symptoms include irritability, anxiety, and depression. This video explains what how PMS develops and what you can do to minimize its effects.

Social anxiety ranges from minor discomfort at making "small talk" at a party to severe social phobia that prevents a person from leaving the house. In this video, you'll learn more about anxiety disorders and what treatments are available.