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Mental health

864 articles

Alcohol-induced anxiety disorder

Alcohol-induced anxiety disorder (ICD-11 6C40.71; DSM-5 F10.180/280/980) is anxiety arising during or soon after alcohol intoxication or withdrawal, diagnosed only when symptoms exceed typical intoxication or withdrawal anxiety and no primary anxiety disorder explains them.

Alcohol-induced delirium

Alcohol-induced delirium, also called alcohol withdrawal delirium or delirium tremens (ICD-11 6C40.5), is acute disturbed attention and awareness arising during or soon after alcohol intoxication or withdrawal, with hallucinations, tremor, and autonomic hyperactivity.

Alcohol-induced mood disorder

Alcohol-induced mood disorder (ICD-11 6C40.70): mood symptoms arising during or soon after alcohol intoxication or withdrawal, distinguished from independent depression, remitting with abstinence, and treated after 3–4 weeks if persistent.

Alcohol-related dementia

Alcohol-related dementia, part of alcohol-related brain damage with Wernicke-Korsakoff syndrome, is chronic cognitive impairment from alcohol use, with onset ages 45-64, executive and memory deficits, and partial reversibility with abstinence.

Alcoholics Anonymous

Alcoholics Anonymous (AA), founded 1935 by Bill Wilson and Dr. Bob Smith, is a free peer-led 12-step fellowship for alcoholism recovery, with about 2 million members; Cochrane finds manualized AA/TSF improves abstinence.

Alcoholism

Alcoholism, clinically alcohol use disorder (AUD), is impaired control of alcohol use despite harm. Covers ICD-10/DSM-5 diagnosis, the three-stage addiction cycle, health risks, and treatments such as naltrexone and acamprosate.

Algolagnia

Algolagnia: sexual satisfaction from experiencing or inflicting pain; Greek algos (pain) + lagneia (lust). Early sexology umbrella term for sadism (active) and masochism (passive), studied by Havelock Ellis in Love and Pain (1903).

Allan Beigel

Allan Beigel was an American psychiatrist and University of Arizona vice president who built a unified community mental health system in Pima County and led national psychiatric organizations.

Alois Alzheimer

Alois Alzheimer (1864–1915), German psychiatrist and neuropathologist, described Alzheimer's disease from patient Auguste Deter in 1906; Kraepelin named the disease after him in 1910.

Alok Kanojia

Alok Kanojia, known online as Dr. K, is an American Harvard-trained psychiatrist who co-founded Healthy Gamer, a mental health platform offering content and coaching for gamers.

Alternating hemiplegia of childhood

Alternating hemiplegia of childhood (AHC), an ultra-rare ATP1A3-related neurodevelopmental disorder, causes infantile-onset alternating hemiplegic episodes, dystonia, nystagmus, and dysautonomia that remit with sleep; flunarizine is the main treatment.

Alternative DSM-5 model for personality disorders

The Alternative DSM-5 Model for Personality Disorders (AMPD) is a hybrid dimensional and categorical system in Section III of DSM-5, rating impairment and 25 pathological traits.

Alyce Cleese

Alyce Cleese (Alyce Faye Eichelberger Cleese, née McBride, born 1944) is an American psychotherapist, author of How to Manage Your Mother, and John Cleese's third wife (1992-2008), from Frederick, Oklahoma.

Alzheimer Society of Canada

Alzheimer Society of Canada (Société Alzheimer du Canada), national health charity founded 1978, Toronto-based, supporting people with dementia via First Link, Minds in Motion, and the ASRP research program, which has funded over $87 million since 1989.

Alzheimer's Association

Alzheimer's Association, with the Alzheimer's Impact Movement (AIM), is the largest US dementia nonprofit: FY25 revenue over $474 million, $112.2 million research commitment, 24/7 helpline, AAIC conference, and blood-biomarker guidelines.

Alzheimer's Society

Alzheimer's Society (charity 296645), UK dementia charity founded 1979 as Alzheimer's Disease Society; provides support services, funds research, campaigns; distinct from Alzheimer's Research UK and Alzheimer Scotland; income £143.8m in 2024/25.

American Psychiatric Association

American Psychiatric Association (APA), founded 1844, is the US medical specialty society of psychiatrists and publisher of the DSM, with 40,000+ members in over 100 countries, headquartered in Washington, D.C.

Amotivational syndrome

Amotivational syndrome, a hypothesized condition of apathy and reduced goal-directed behavior attributed to chronic cannabis use, coined by McGlothlin and West in 1968; systematic reviews find cross-sectional evidence equivocal and the construct poorly defined.

Analytic psychotherapy

Analytic psychotherapy is a psychodynamic talking treatment that targets unconscious conflicts and repetitive relationship patterns, sitting between full psychoanalysis and shorter structured therapies, used for depression and anxiety.

Anna Lembke

Anna Lembke is an American psychiatrist and addiction-medicine researcher who is Medical Director of Stanford Addiction Medicine, studies opioid prescribing, and wrote the 2021 bestseller Dopamine Nation.

Anneliese Michel

Anneliese Michel (1952–1976), German pedagogy student and epileptic, died after 67 Catholic exorcism sessions in 1975–76; her parents and two priests were convicted of negligent homicide in 1978.

Anorexia nervosa

Anorexia nervosa is an eating disorder and serious mental health condition in which a person keeps their weight very low through restricted eating, driven by an intense fear of gaining weight and a distorted body image.

Anti-psychiatry

Anti-psychiatry: international movement of the 1960s, led by R.D. Laing, David Cooper (who coined the term), and Thomas Szasz, rejecting psychiatry's medical model and institutional power; distinct from critical psychiatry and the psychiatric survivors movement.

Antisocial personality disorder

Antisocial personality disorder (ASPD, ICD-10 dissocial personality disorder) is a DSM-5 diagnosis of pervasive disregard for others' rights since age 15 with conduct disorder before 15; prevalence 2-3%, male-dominated, treatment evidence limited.

Anxiety

Anxiety is an emotion of fear, worry, or unease that becomes a mental disorder when excessive and persistent; anxiety disorders affect about 470 million people worldwide and are treated with therapy and medication.

Anxiety disorder

Anxiety disorder: persistent, excessive anxiety or fear beyond normal worry, including generalized anxiety disorder, panic disorder, social anxiety disorder, and phobias; affects about 4.4% of the global population and is treated with CBT and antidepressants.

Anxiety symptoms in dementia

Anxiety symptoms in dementia: worry, fear, and restlessness in people with dementia, prevalence 5–21% for disorders and 8–71% for symptoms; hard to detect due to overlap with dementia and depression; RAID scale best validated.

Anxious-preoccupied attachment

Anxious-preoccupied attachment: an adult attachment style with a negative model of self and positive model of others, high attachment anxiety and low avoidance; also called anxious-ambivalent, about 19% prevalence, hyperactivating strategies.

Apathy in dementia

Apathy in dementia (ICD-11 6D86.3) is a sustained reduction in goal-directed behavior in neurocognitive disorders, affecting roughly 21-90% of patients; methylphenidate and non-pharmacological approaches are the main treatments.

Aquaphobia

Aquaphobia is a specific phobia of water, from Latin aqua and Greek phobos, affecting 2-3% of Americans, more children than adults, and distinct from rabies-related hydrophobia; exposure therapy helps up to 9 in 10 people with specific phobias.