Generalized Anxiety Disorder (GAD)
Fear of Anxiety May Lead to Depression
TUESDAY, Dec. 1 (HealthDay News) -- Fear of anxiety may push "above-average" worriers into depression, a new study suggests.
"Anxiety sensitivity has been called a fear of fear," study author Andres Viana, a graduate student in psychology at Penn State, said in a news release. "Those with anxiety sensitivity are afraid of their anxiety because their interpretation is that something catastrophic is going to happen when their anxious sensations arise."
Learn more about how fear is linked to depression »
Introduction to Anxiety
Generalized anxiety disorder (or GAD) is characterized
by excessive, exaggerated
anxiety and worry about everyday life events with no obvious reasons for
worry. People with
symptoms of generalized anxiety disorder tend to always expect disaster and
can't stop worrying about health, money, family, work, or school. In people
with GAD, the worry often is unrealistic or out of proportion for the
situation. Daily life becomes a constant state of worry, fear, and dread.
Eventually, the anxiety so dominates the person's thinking that it interferes
with daily functioning, including work, school, social activities, and
relationships.
What Are the Symptoms of GAD?
GAD affects the way a person thinks, but the anxiety can lead to physical
symptoms, as well. Symptoms of GAD can include:
- Excessive, ongoing worry and tension
- An unrealistic view of problems
- Restlessness or a feeling of being "edgy"
- Irritability
- Muscle tension
- Headaches
- Sweating
- Difficulty concentrating
- Nausea
- The need to go to the bathroom frequently
- Tiredness
- Trouble falling or staying asleep
- Trembling
- Being easily startled
In addition, people with GAD often have other anxiety disorders (such as panic disorder, obsessive-compulsive disorder, and phobias), suffer from depression, and/or abuse drugs or alcohol.
What Causes GAD?
The exact cause of GAD is not fully known, but a number of factors --
including genetics, brain chemistry and environmental stresses -- appear to
contribute to its development.
-
Genetics: Some research suggests that family history plays
a part in increasing the likelihood that a person will develop GAD. This means
that the tendency to develop GAD may be passed on in families.
-
Brain chemistry: GAD has been associated with abnormal
levels of certain neurotransmitters in the brain. Neurotransmitters are special
chemical messengers that help move information from nerve cell to nerve cell.
If the neurotransmitters are out of balance, messages cannot get through the
brain properly. This can alter the way the brain reacts in certain situations,
leading to anxiety.
-
Environmental factors: Trauma and stressful events, such
as abuse, the death of a loved one, divorce, changing jobs or schools, may lead to GAD. GAD
also may become worse during periods of stress. The use of
and withdrawal from addictive substances, including alcohol, caffeine, and
nicotine, can also worsen anxiety.
How Common Is GAD?
About 4 million adult Americans suffer from GAD during the course of a year.
It most often begins in childhood or adolescence, but can begin in adulthood.
It is more common in women than in men.
Next: How is anxiety diagnosed? »
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