Substance use disorder makes it hard to stop using substances even when they're harmful. Using the term "substance use disorder" helps separate the person from the treatable illness. Substance use ...

Bipolar disorders include several disorders of emotion, energy and thought that are characterized by biphasic mood episodes of mania or hypomania and depression and are expressed as recurrent episodes ...

Anxiety disorders constitute the largest group of mental disorders in most western societies and are a leading cause of disability. The essential features of anxiety disorders are excessive and ...

A mood disorder is a type of mental illness. When you have a mood disorder, your state of mind and how you feel is disconnected from what's happening in your everyday life. A mood disorder causes ...

Some examples of narcissistic behavior include inflating one’s accomplishments to gain praise, ignoring other people’s feelings, and deliberately taking credit for someone else’s work. Narcissistic ...

One of the more overlooked aspects of bipolar disorder is the potential for developing a degree of cognitive deficit as part of the illness. This omission reflects the reality that mainstream print ...

Insomnia is the most well-known sleep disorder, but it’s far from the only one. Countless people of all ages struggle with sleep disorders that negatively affect the quality of their sleep, cause them ...

Inborn metabolic disorders are a group of conditions that occur due to problems with metabolism. The term “metabolism” refers to biochemical reactions that are necessary to support good health. These ...

Vivid, upsetting nightmares happen sometimes. When they occur regularly and affect your ability to sleep or function, you may have a nightmare disorder. Sleep therapy, medications, and desensitization ...