Anxiety definition and causes of Generalized Anxiety disorder

In this article we are going to answer 2 questions :
What is Anxiety ? and
What are the Causes of Generalized Anxiety disorder (GAD) ?

Definition of Anxiety 

It is a subjective feeling of fear or apprehension without objective reasons usually accompanied by autonomic system hyperactivity & physical discomfort.

anxiety causes

Difference between Normal Anxiety and Anxiety disorder 

Though Anxiety is a normal emotion which in a moderate degree can be a helpful force by increasing
effort & alertness and it is also protective function in the face of danger. It becomes pathological when symptoms are out of proportion to external circumstances or if persist long after a threatening situation. Also normal anxiety is less severe & of longer duration than pathological anxiety. Lastly normal anxiety improves performance but pathological anxiety decreases it.

Causes of Anxiety disorder


1- Heredity: increase rate among twins.
2- Learnt response: child learn to respond excessively to stress. e.g. as threatening.
3- Neutrotransmitters dysregulation: increase level of norepinephrine and serotonin and decrease level of GABA.
4- Psychological basis: A continuous conflict which pushes the individual beyond the last limit of adaptation.
5- Personality: obsessive personality are more liable!?

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