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Anxiety disorder. Anxiety disorders are a group of mental disorders characterized by significant and uncontrollable feelings of anxiety and fear [ 2] such that a person's social, occupational, and personal functions are significantly impaired. [ 2] Anxiety may cause physical and cognitive symptoms, such as restlessness, irritability, easy ...
The symptoms of anxiety and depression disorders can be very similar. A diagnosis of mixed anxiety–depressive disorder as opposed to a diagnosis of depression or an anxiety disorder can be difficult. Due to this, it has long been a struggle to find a singular set of criteria to use in the diagnosis of mixed-anxiety depressive disorder. [3]
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 ...
Hypochondriasis or hypochondria is a condition in which a person is excessively and unduly worried about having a serious illness. Hypochondria is an old concept whose meaning has repeatedly changed over its lifespan. [ 1] It has been claimed that this debilitating condition results from an inaccurate perception of the condition of body or mind ...
According to the Diagnostic and Statistical Manual of Mental Disorders, the main signs of SSD are “excessive thoughts, feelings, or behaviors” related to symptoms or health concerns that include:
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.
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