Mental Disorders

From depression to schizophrenia, mental disorders vary greatly in severity and impact on daily life. Learn about the causes and treatments available for a variety of mental disorders.

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What is Cotard's Syndrome? Learn more about this rare and unusual mental disorder.

By Discovery Fit and Health Writers

Some of us may obsess more than we know. Ayana Rose-Williams, therapist from My Mom is Obsessed, shares her advice for taking a step back from such obsessive behavior.

By Ayana Rose-Williams

Despite a pathological attachment to things they can't stop collecting or discard, hoarders are stressed by their clutter and its effect on their lives.

By Alia Hoyt

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From the Bouvier Beales to the Collyer brothers -- some hoarding cases are so notorious, they're remembered decades after the fact. What were five of the most famous?

By Jessika Toothman

Helping a hoarder doesn't mean spending a long weekend with a box of trash bags and gloves. Instead, being part of the solution takes a light, nonjudgmental touch.

By Julia Layton

Can you inherit compulsive hoarding disorder from a parent? The answer is, you guessed it, complicated, and it starts with an understanding of genetics.

By Julia Layton

While some celebrity meltdowns are the result of ego or eccentricity, others are the result of something deeper. Here, we've pulled together a list of famous meltdowns that may have had roots in mental illness or drug and alcohol addiction.

By Maria Trimarchi

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In the home of a hoarder, piles of trash might reach the ceiling, and stacks of newspapers so crowd the kitchen that cooking is impossible. Sleeping, eating and bathing may take place in such clutter that health suffers. How can hoarders get help?

By Julia Layton

If you've seen Stephen King's "It" and developed a fear of clowns, you're not alone. With 9 percent of Americans suffering from phobias, your clown avoidance is just the tip of the iceberg. So what else has 20 million of us shaking in our boots?

By Maria Trimarchi

Phobia, an intense, persistent, abnormal fear of an object, act, or situation.

Regression, in psychology, reverting to behavior that is less mature than is normal for a person's age and personality.

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Hypochondria, an abnormal emotional condition in which a person is preoccupied with his health and the functions of his body organs.

Hysteria, a mental disorder arising from an unconscious emotional conflict.

Mental Illness, a prolonged disturbance of thought and emotion, marked by behavior not appropriate to reality.

If you have a friend who's obsessive about cleanliness or organization, you've probably jokingly described him or her as OCD. But obsessive-compulsive disorder is about more than just scrubbing and straightening.

By Jacob Silverman

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Mental illness affects all kinds of people. With this image gallery, learn about mental illness and its associated problems along with famous people who have struggled with mental disorders.

Maybe you don't like anyone sitting right next to you on the train, but you wouldn't call yourself a claustrophobe. According to some theories, we might all have a touch of claustrophobia -- even if it takes undergoing an MRI scan to provoke it.

By Josh Clark

One month you're so revved about life you give up sleep to enjoy it. The next, you're so depressed you can't get out of bed. Can bipolar disorder be treated?

By Jane McGrath

Most shoplifters steal for personal use or resale, but kleptomaniacs are addicted to stealing. But is kleptomania a real mental disorder?

By Craig Freudenrich, Ph.D.

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So much about pyromania is a mystery. Why do pyromaniacs have uncontrollable urges to set fires? Is it the same thing as arson? And is it even a real disease?

By Craig Freudenrich, Ph.D.

Being sick is something most people try to avoid. But some relish the thought of going to the doctor, undergoing tests -- even having painful surgery. Though they know they aren't really sick, people with Munchausen syndrome pretend to be ill because they're seeking attention and sympathy.

By Stephanie Watson

Did you know that ailurophobia is a fear of cats? If you're afraid of it, someone's probably made up a goofy name for your phobia. Read our list of 28 phobias and their definitions.

By the Editors of Publications International, Ltd.

Natascha Kampusch on spending eight years in a cell beneath her captor's basement: "My youth was very different. But I was also spared a lot of things -- I did not start smoking or drinking ... hang out in bad company."

By Julia Layton

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Cutting is a disorder that appears to be epidemic in the United States. Learn more about this disorder with advice and guidance for families who are struggling with a loved one that suffers from cutting.

Children should be handled differently that adults especially when it comes to abusive types of behavior. Find out what you need to know when treating a self abusive child.

By Dr. Rob Danoff