Premenstrual dysphoric disorder
Aging changes in sleep
Binge eating is an eating disorder characterized by eating more than needed to satisfy . It is a feature of , a disorder that also includes abnormal perception of body image, constant craving for food and binge eating, followed by self-induced vomiting or laxative use.
Hallucinations are sensory perceptions that are unrelated to outside events -- in other words, seeing or hearing things that aren't there.
Chronic and persistent difficulty in either (1) falling asleep (initial insomnia), (2) remaining asleep through the night (middle insomnia), or (3) waking up too early (terminal insomnia). All types of insomnia can lead to daytime drowsiness, poor concentration, and the inability to feel refreshed and rested in the morning.
Drowsiness refers to feeling abnormally sleepy during the day -- often with a strong tendency to actually fall asleep in inappropriate situations or at inappropriate times.
Vitamin B6 is a water-soluble vitamin and is part of the vitamin B complex.
Depression - resources
Walking and health
Depression signs in teenagers
Munchausen syndrome by proxy is a form of in which a parent induces real or apparent symptoms of a disease in a child.
Suicide and suicidal behavior
Psychosis is a loss of contact with reality, typically including delusions (false ideas about what is taking place or who one is) and hallucinations (seeing or hearing things which aren't there).
Cyclothymic disorder, also called cyclothymia, is a mild form of bipolar disorder, characterized by alternating episodes of mood swings from mild or moderate depression to hypomania. Hypomania is defined as periods of elevated mood, euphoria, and excitement that do not cause the person to become disconnected from reality.
Oppositional defiant disorder is a pattern of disobedient, hostile, and defiant behavior toward authority figures. The pattern must persist for at least 6 months and must go beyond the bounds of normal childhood misbehavior.
Seasonal affective disorder (SAD) is a form of depression that occurs in relation to the seasons, most commonly beginning in winter.
Histrionic personality disorder involves a pattern of excessive emotional expression and attention-seeking, including an excessive need for approval and inappropriate seductiveness. It usually begins in early adulthood.
Brief reactive psychosis is a sudden display of psychotic behavior, such as hallucinations, prompted by a stressful event. The episode lasts longer than a day but less than a month.
Schizotypal personality disorder is a psychiatric condition characterized by a pattern of deficiency in interpersonal relationships and disturbances in thought patterns, appearance, and behavior.
Drug abuse and dependence
Depression is a medical illness characterized by persistent , , and loss of self-worth. These feelings are accompanied by reduced energy and concentration, sleep problems (insomnia), decreased appetite and weight loss. In the elderly, it also frequently presents with excessive concerns about bodily aches and pains.
A disorder occurring during the teenage years marked by persistent , , loss of self-worth, and loss of interest in usual activities.
Chronic fatigue syndrome is a condition of prolonged and severe tiredness or weariness (fatigue) that is not relieved by rest and is not directly caused by other conditions. To be diagnosed with chronic fatigue syndrome, the tiredness must be severe enough to decrease ability to participate in ordinary activities by 50%.
Nicotine withdrawal involves irritability, headache, and craving associated with the sudden cessation or reduction of smoking or other tobacco use by a nicotine-dependent individual. See and .
Barbiturate intoxication and overdose
Cocaine withdrawal occurs when a heavy cocaine user cuts down or quits taking the drug.
Obsessive-compulsive personality disorder is a condition characterized by a chronic preoccupation with rules, orderliness, and control.
Dependent personality disorder is a chronic condition involving over-reliance on others to meet emotional and physical needs.
Personality disorders are a group of psychiatric conditions marked by chronic behavior patterns that cause serious problems with relationships and work.
Paranoid personality disorder is a psychiatric condition characaterized by extreme distrust and suspicion of others.
Disorganized schizophrenia is a type of characterized by disinhibited, agitated, and purposeless behavior.
In this type of schizophrenia, the individual has feelings of being persecuted or plotted against. Affected individuals may have grandiose (over-the-top) delusions associated with protecting themselves from the perceived plot.
Borderline personality disorder is a condition characterized by impulsive actions, mood instability, and chaotic relationships.
This is a condition in which depression is associated with absence of contact with reality (psychosis). This can take the form of false beliefs (delusions) or detecting something that isn't really there (hallucination). See also and .
Schizoaffective disorder includes elements of both psychosis and mood disorder. Psychotic symptoms mean a loss of contact with reality, and may include hallucinations (hearing voices or seeing things that are not present), and delusions (false, fixed beliefs). Symptoms of mood disorder include very low or very high mood with sleep disturbances, changes in energy and appetite, disrupted concentration, and generally poor daily function. Schizoaffective illness features a close interconnection between these 2 sets of symptoms.
Panic disorder with agoraphobia
Schizoid personality disorder is a psychiatric condition characterized by a lifelong pattern of indifference to others and social isolation.
Dysthymia is form of , characterized by moods that are consistently low, but not as extreme as other types of depression.
Sleep disorders in the elderly involve any disruptive pattern of sleep such as problems with falling or staying asleep, excessive sleep, or abnormal behaviors associated with sleep.