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Generalized
Anxiety Disorder (GAD). GAD is characterized by
excessive, unrealistic worry that lasts six months or
more; in adults, the anxiety may focus on issues such
as health, money, or career. In addition to chronic
worry, GAD symptoms include trembling, muscular aches,
insomnia, abdominal upsets, dizziness, and irritability.
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Obsessive-Compulsive
Disorder (OCD). In OCD, individuals are plagued
by persistent, recurring thoughts (obsessions) that
reflect exaggerated anxiety or fears; typical obsessions
include worry about being contaminated or fears of behaving
improperly or acting violently. The obsessions may lead
an individual to perform a ritual or routine (compulsions)-such
as washing hands, repeating phrases or hoarding-to relieve
the anxiety caused by the obsession.
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Panic
Disorder. People with panic disorder suffer severe
attacks of panic-which may make them feel like they
are having a heart attack or are going crazy-for no
apparent reason. Symptoms include heart palpitations,
chest pain or discomfort, sweating, trembling, tingling
sensations, feeling of choking, fear of dying, fear
of losing control, and feelings of unreality. Panic
disorder often occurs with agoraphobia, in which people
are afraid of having a panic attack in a place from
which escape would be difficult, so they avoid these
places.
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Post-Traumatic
Stress Disorder (PTSD). PTSD can follow an exposure
to a traumatic event such as a sexual or physical assault,
witnessing a death, the unexpected death of a loved
one, or natural disaster. There are three main symptoms
associated with PTSD: "reliving" of the traumatic
event (such as flashbacks and nightmares); avoidance
behaviors (such as avoiding places related to the trauma)
and emotional numbing (detachment from others); and
physiological arousal such difficulty sleeping, irritability
or poor concentration.
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Social
Anxiety Disorder (Social Phobia). Social Anxiety
Disorder (SAD) is characterized by extreme anxiety about
being judged by others or behaving in a way that might
cause embarrassment or ridicule. This intense anxiety
may lead to avoidance behavior. Physical symptoms associated
with this disorder include heart palpitations, faintness,
blushing and profuse sweating.
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Specific
phobias. People with specific phobias suffer from
an intense fear reaction to a specific object or situation
(such as spiders, dogs, or heights); the level of fear
is usually inappropriate to the situation, and is recognized
by the sufferer as being irrational. This inordinate
fear can lead to the avoidance of common, everyday situations.