Anxiety can be caused by several reasons. People may suffer anxiety by caused trauma, withdrawal from alcohol or drugs, buildup stress, or family history of mental health issues. Anxiety can produce both physical and emotional symptoms such as having difficulty concentrating, nausea, dizziness, and worry or fear.

Anxiety disorders are the most common mental disorder. It can affect up to 30% of adults.  Symptoms can start during childhood or as a teenager and continue into adulthood. Psychotherapy and medication can help treat anxiety. Anxiety disorders develop from a complex set of risk factors, including genetics, brain chemistry, personality and life events.

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