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  2. Generalized anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Generalized_anxiety_disorder

    Generalized anxiety disorder ( GAD) is a mental and behavioral disorder, [ 5] specifically an anxiety disorder characterized by excessive, uncontrollable and often irrational worry about events or activities. [ 6] Worry often interferes with daily functioning, and individuals with GAD are often overly concerned about everyday matters such as ...

  3. Anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Anxiety_disorder

    Generalized anxiety disorder is "characterized by chronic excessive worry accompanied by three or more of the following symptoms: restlessness, fatigue, concentration problems, irritability, muscle tension, and sleep disturbance". [11] Generalized anxiety disorder is the most common anxiety disorder to affect older adults. [12]

  4. Anxiety - Wikipedia

    en.wikipedia.org/wiki/Anxiety

    Anxiety disorders are a group of mental disorders characterized by exaggerated feelings of anxiety and fear responses. [ 7] Anxiety is a worry about future events and fear is a reaction to current events. These feelings may cause physical symptoms, such as a fast heart rate and shakiness.

  5. Epigenetics of anxiety and stress–related disorders - Wikipedia

    en.wikipedia.org/wiki/Epigenetics_of_anxiety_and...

    Epigenetics of anxiety and stress–related disorders is the field studying the relationship between epigenetic modifications of genes and anxiety and stress-related disorders, including mental health disorders such as generalized anxiety disorder (GAD), post-traumatic stress disorder, obsessive-compulsive disorder (OCD), and more.

  6. Dissociative amnesia - Wikipedia

    en.wikipedia.org/wiki/Dissociative_amnesia

    Dissociative amnesia or psychogenic amnesia is a dissociative disorder "characterized by retrospectively reported memory gaps. These gaps involve an inability to recall personal information, usually of a traumatic or stressful nature." [ 1] In a change from the DSM-IV to the DSM-5, dissociative fugue is now subsumed under dissociative amnesia.

  7. Panic disorder - Wikipedia

    en.wikipedia.org/wiki/Panic_disorder

    Panic disorder. Panic disorder is a mental and behavioral disorder, [ 5] specifically an anxiety disorder characterized by reoccurring unexpected panic attacks. [ 1] Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something terrible is going to ...

  8. Causes of mental disorders - Wikipedia

    en.wikipedia.org/wiki/Causes_of_mental_disorders

    Many professionals believe that the cause of mental disorders is the biology of the brain and the nervous system. Mind mentions genetic factors, long-term physical health conditions, and head injuries or epilepsy (affecting behavior and mood) as factors that may trigger an episode of mental illness.

  9. Abnormal psychology - Wikipedia

    en.wikipedia.org/wiki/Abnormal_psychology

    Abnormal Psychology is the study of various thoughts, behaviors, and emotions. These aspects are expressed differently in each individual. Psychiatric disabilities can develop from altered behaviors, emotions, or thoughts. Major sections within the article include supernatural and psychological explanations, as well as descriptions of many ...