Addiction|Neurotransmitter|Alcoholism|Behavioural sciences|Positive psychology|Medical specialties|Psychiatric diseases and disorders|Psychopathology|Nervous system|Medicine|Psychological concepts|Psychiatry-related fields|Clinical medicine|Clinical psychology|Abnormal psychology|Mental health|Neuroscience|Mental and behavioural disorders|Psychology|Psychiatry|Health|Human diseases and disorders|Diseases and disorders|Psychiatric diagnosis|Applied psychology|Disability|Substance-related disorders|Social constructionism|Cognition|Brain|Reward system|Medical diagnosis|Dopamine|Addiction psychiatry|Substance abuse|Action (philosophy)|Psychiatric specialities|Substance dependence|Drug withdrawal|Disease|Health care|Social aspects of psychoactive drugs|Drug|Brain disorders|Neuron|Relapse|Addiction medicine|Cognitive science|Medical ethics|Neuropsychology|Emotion|Compulsive behavior|Chronic condition|Health sciences|Defence mechanisms|Drug tolerance|Definition|Behavioral neuroscience|Human activities|Psychotherapy|Medical humanities|Endorphins|Social issues|Psychological schools|Neuropsychological assessment|Epidemiology|Culture|Therapy|Neurological disorders|Mood (psychology)|Behavior modification|Public health|Psychoactive drugs|Analysis|Symptom|Neurology|Gambling|Metaphysics of mind|Medical treatments|Abuse|Pathology|Observation|Biology|Personal development|Scientific theories|Central nervous system disorders|Epistemology|Determinants of health|Psychiatric treatments|Adaptation|Applied ethics|Bioethics|Interdisciplinary subfields|Central nervous system|Behaviorism|Subconscious|Emotions|Primate diseases