A chronic psychiatric condition that affects a person’s thinking, feeling, and behavior, with delusions, hallucinations, disorganized speech.

Disorders including a number of conditions: presence of sad, empty, or irritable moods accompanied by physical and cognitive symptoms. They differ in terms of duration, timing, and causes.

Shifts in mood as well as changes in activity and energy levels. The disorder often involves experiencing shifts between elevated moods and periods of depression, mania or hypermania.

A neurological condition that involves having uncomfortable sensations in the legs and an irresistible urge to move the legs in order to relieve the sensations.

Involves being unable to get enough sleep to feel rested.

Associated with symptoms including emotional instability, unstable and intense interpersonal relationships, unstable self-image, and impulsive behaviors.

Also known as acute confusional state. This disorder develops over a short period of time—usually a few hours or a few days—and is characterized by disturbances in attention and awareness.

Experiences of obsessions, compulsions, or both.

Disorders that involve the misuse of different substances such as cocaine, methamphetamine, opiates, and alcohol.

An inability to control the impulse to steal.

A persistent pattern of hyperactivity and impulsivity and/or inattention that interferes with functioning and presents itself in two or more settings such as at home, work, school, and social situations.

Distrust of others, even family, friends, and romantic partners. People with this disorder perceive others' intentions as malevolent, even without any evidence or justification.

Characterized by excessive and persistent fear, worry, anxiety and related behavioral disturbances.